Home / 15,057,929.28-20,779,733.03-8,352,057.24

Finding the Fourth Proportional to 15,057,929.28, 20,779,733.03 and 8,352,057.24

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Solution

The fourth proportional to 15,057,929.28, 20,779,733.03 and 8,352,057.24 is: 11,525,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,929.28 : 20,779,733.03 = 8,352,057.24 : x
  2. Step 2: Convert to fraction form
    15,057,929.28/20,779,733.03 = 8,352,057.24/x
  3. Step 3: Cross multiply
    15,057,929.28x = 20,779,733.03 × 8,352,057.24
  4. Step 4: Simplify right side
    15,057,929.28x = 173,553,519,656,718.34
  5. Step 5: Solve for x
    x = 173,553,519,656,718.34/15,057,929.28
  6. Step 6: Final answer
    x = 11,525,722.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.