Home / 16,535,920.75-22,820,848.61-9,920,758.15

Finding the Fourth Proportional to 16,535,920.75, 22,820,848.61 and 9,920,758.15

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Solution

The fourth proportional to 16,535,920.75, 22,820,848.61 and 9,920,758.15 is: 13,691,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,535,920.75 : 22,820,848.61 = 9,920,758.15 : x
  2. Step 2: Convert to fraction form
    16,535,920.75/22,820,848.61 = 9,920,758.15/x
  3. Step 3: Cross multiply
    16,535,920.75x = 22,820,848.61 × 9,920,758.15
  4. Step 4: Simplify right side
    16,535,920.75x = 226,400,119,837,573.69
  5. Step 5: Solve for x
    x = 226,400,119,837,573.69/16,535,920.75
  6. Step 6: Final answer
    x = 13,691,412.97

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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.