Home / 11,988,543.56-16,545,705.36-7,862,046.35

Finding the Fourth Proportional to 11,988,543.56, 16,545,705.36 and 7,862,046.35

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Solution

The fourth proportional to 11,988,543.56, 16,545,705.36 and 7,862,046.35 is: 10,850,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,543.56 : 16,545,705.36 = 7,862,046.35 : x
  2. Step 2: Convert to fraction form
    11,988,543.56/16,545,705.36 = 7,862,046.35/x
  3. Step 3: Cross multiply
    11,988,543.56x = 16,545,705.36 × 7,862,046.35
  4. Step 4: Simplify right side
    11,988,543.56x = 130,083,102,351,034.91
  5. Step 5: Solve for x
    x = 130,083,102,351,034.91/11,988,543.56
  6. Step 6: Final answer
    x = 10,850,617.65

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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.