Home / 10,368,057.40-15,559,862.10-5,316,767.80

Finding the Fourth Proportional to 10,368,057.40, 15,559,862.10 and 5,316,767.80

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Solution

The fourth proportional to 10,368,057.40, 15,559,862.10 and 5,316,767.80 is: 7,979,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,057.40 : 15,559,862.10 = 5,316,767.80 : x
  2. Step 2: Convert to fraction form
    10,368,057.40/15,559,862.10 = 5,316,767.80/x
  3. Step 3: Cross multiply
    10,368,057.40x = 15,559,862.10 × 5,316,767.80
  4. Step 4: Simplify right side
    10,368,057.40x = 82,728,173,785,720.38
  5. Step 5: Solve for x
    x = 82,728,173,785,720.38/10,368,057.40
  6. Step 6: Final answer
    x = 7,979,139.25

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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.