Home / 12,004,800.30-18,007,200.45-10,587,624.30

Finding the Fourth Proportional to 12,004,800.30, 18,007,200.45 and 10,587,624.30

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Solution

The fourth proportional to 12,004,800.30, 18,007,200.45 and 10,587,624.30 is: 15,881,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004,800.30 : 18,007,200.45 = 10,587,624.30 : x
  2. Step 2: Convert to fraction form
    12,004,800.30/18,007,200.45 = 10,587,624.30/x
  3. Step 3: Cross multiply
    12,004,800.30x = 18,007,200.45 × 10,587,624.30
  4. Step 4: Simplify right side
    12,004,800.30x = 190,653,473,059,390.94
  5. Step 5: Solve for x
    x = 190,653,473,059,390.94/12,004,800.30
  6. Step 6: Final answer
    x = 15,881,436.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.