Home / 15,660,872.07-21,614,600.89-9,134,501.32

Finding the Fourth Proportional to 15,660,872.07, 21,614,600.89 and 9,134,501.32

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Solution

The fourth proportional to 15,660,872.07, 21,614,600.89 and 9,134,501.32 is: 12,607,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660,872.07 : 21,614,600.89 = 9,134,501.32 : x
  2. Step 2: Convert to fraction form
    15,660,872.07/21,614,600.89 = 9,134,501.32/x
  3. Step 3: Cross multiply
    15,660,872.07x = 21,614,600.89 × 9,134,501.32
  4. Step 4: Simplify right side
    15,660,872.07x = 197,438,600,360,978.19
  5. Step 5: Solve for x
    x = 197,438,600,360,978.19/15,660,872.07
  6. Step 6: Final answer
    x = 12,607,126.82

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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.