Home / 14,500,203.17-20,062,973.40-12,643,487.68

Finding the Fourth Proportional to 14,500,203.17, 20,062,973.40 and 12,643,487.68

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Solution

The fourth proportional to 14,500,203.17, 20,062,973.40 and 12,643,487.68 is: 17,493,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,203.17 : 20,062,973.40 = 12,643,487.68 : x
  2. Step 2: Convert to fraction form
    14,500,203.17/20,062,973.40 = 12,643,487.68/x
  3. Step 3: Cross multiply
    14,500,203.17x = 20,062,973.40 × 12,643,487.68
  4. Step 4: Simplify right side
    14,500,203.17x = 253,665,957,025,592.47
  5. Step 5: Solve for x
    x = 253,665,957,025,592.47/14,500,203.17
  6. Step 6: Final answer
    x = 17,493,958.82

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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.