Home / 12,293,127.90-18,439,691.85-3,772,357.20

Finding the Fourth Proportional to 12,293,127.90, 18,439,691.85 and 3,772,357.20

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Solution

The fourth proportional to 12,293,127.90, 18,439,691.85 and 3,772,357.20 is: 5,658,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,127.90 : 18,439,691.85 = 3,772,357.20 : x
  2. Step 2: Convert to fraction form
    12,293,127.90/18,439,691.85 = 3,772,357.20/x
  3. Step 3: Cross multiply
    12,293,127.90x = 18,439,691.85 × 3,772,357.20
  4. Step 4: Simplify right side
    12,293,127.90x = 69,561,104,316,128.83
  5. Step 5: Solve for x
    x = 69,561,104,316,128.83/12,293,127.90
  6. Step 6: Final answer
    x = 5,658,535.80

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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.