Home / 15,790,063.66-21,789,262.85-9,174,066.08

Finding the Fourth Proportional to 15,790,063.66, 21,789,262.85 and 9,174,066.08

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Solution

The fourth proportional to 15,790,063.66, 21,789,262.85 and 9,174,066.08 is: 12,659,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,063.66 : 21,789,262.85 = 9,174,066.08 : x
  2. Step 2: Convert to fraction form
    15,790,063.66/21,789,262.85 = 9,174,066.08/x
  3. Step 3: Cross multiply
    15,790,063.66x = 21,789,262.85 × 9,174,066.08
  4. Step 4: Simplify right side
    15,790,063.66x = 199,896,137,065,572.47
  5. Step 5: Solve for x
    x = 199,896,137,065,572.47/15,790,063.66
  6. Step 6: Final answer
    x = 12,659,615.65

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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.