Home / 6,645,000.30-9,967,500.45-5,464,020.30

Finding the Fourth Proportional to 6,645,000.30, 9,967,500.45 and 5,464,020.30

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Solution

The fourth proportional to 6,645,000.30, 9,967,500.45 and 5,464,020.30 is: 8,196,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,000.30 : 9,967,500.45 = 5,464,020.30 : x
  2. Step 2: Convert to fraction form
    6,645,000.30/9,967,500.45 = 5,464,020.30/x
  3. Step 3: Cross multiply
    6,645,000.30x = 9,967,500.45 × 5,464,020.30
  4. Step 4: Simplify right side
    6,645,000.30x = 54,462,624,799,059.13
  5. Step 5: Solve for x
    x = 54,462,624,799,059.13/6,645,000.30
  6. Step 6: Final answer
    x = 8,196,030.45

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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.