Home / 20,013,962.15-30,015,053.89-9,077,824.91

Finding the Fourth Proportional to 20,013,962.15, 30,015,053.89 and 9,077,824.91

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Solution

The fourth proportional to 20,013,962.15, 30,015,053.89 and 9,077,824.91 is: 13,614,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,962.15 : 30,015,053.89 = 9,077,824.91 : x
  2. Step 2: Convert to fraction form
    20,013,962.15/30,015,053.89 = 9,077,824.91/x
  3. Step 3: Cross multiply
    20,013,962.15x = 30,015,053.89 × 9,077,824.91
  4. Step 4: Simplify right side
    20,013,962.15x = 272,471,403,877,634.41
  5. Step 5: Solve for x
    x = 272,471,403,877,634.41/20,013,962.15
  6. Step 6: Final answer
    x = 13,614,066.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.