Home / 12,475,904.30-18,713,856.45-6,807,200.30

Finding the Fourth Proportional to 12,475,904.30, 18,713,856.45 and 6,807,200.30

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Solution

The fourth proportional to 12,475,904.30, 18,713,856.45 and 6,807,200.30 is: 10,210,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,904.30 : 18,713,856.45 = 6,807,200.30 : x
  2. Step 2: Convert to fraction form
    12,475,904.30/18,713,856.45 = 6,807,200.30/x
  3. Step 3: Cross multiply
    12,475,904.30x = 18,713,856.45 × 6,807,200.30
  4. Step 4: Simplify right side
    12,475,904.30x = 127,388,969,240,596.92
  5. Step 5: Solve for x
    x = 127,388,969,240,596.92/12,475,904.30
  6. Step 6: Final answer
    x = 10,210,800.45

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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.