Home / 12,941,602.47-17,859,468.47-7,140,380.85

Finding the Fourth Proportional to 12,941,602.47, 17,859,468.47 and 7,140,380.85

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Solution

The fourth proportional to 12,941,602.47, 17,859,468.47 and 7,140,380.85 is: 9,853,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941,602.47 : 17,859,468.47 = 7,140,380.85 : x
  2. Step 2: Convert to fraction form
    12,941,602.47/17,859,468.47 = 7,140,380.85/x
  3. Step 3: Cross multiply
    12,941,602.47x = 17,859,468.47 × 7,140,380.85
  4. Step 4: Simplify right side
    12,941,602.47x = 127,523,406,618,664.89
  5. Step 5: Solve for x
    x = 127,523,406,618,664.89/12,941,602.47
  6. Step 6: Final answer
    x = 9,853,757.05

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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.