Home / 10,866,779.70-16,300,169.55-7,996,998.30

Finding the Fourth Proportional to 10,866,779.70, 16,300,169.55 and 7,996,998.30

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Solution

The fourth proportional to 10,866,779.70, 16,300,169.55 and 7,996,998.30 is: 11,995,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,779.70 : 16,300,169.55 = 7,996,998.30 : x
  2. Step 2: Convert to fraction form
    10,866,779.70/16,300,169.55 = 7,996,998.30/x
  3. Step 3: Cross multiply
    10,866,779.70x = 16,300,169.55 × 7,996,998.30
  4. Step 4: Simplify right side
    10,866,779.70x = 130,352,428,181,061.77
  5. Step 5: Solve for x
    x = 130,352,428,181,061.77/10,866,779.70
  6. Step 6: Final answer
    x = 11,995,497.45

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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.