Home / 31,515,669.12-47,259,773.28-16,740,530.40

Finding the Fourth Proportional to 31,515,669.12, 47,259,773.28 and 16,740,530.40

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Solution

The fourth proportional to 31,515,669.12, 47,259,773.28 and 16,740,530.40 is: 25,103,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515,669.12 : 47,259,773.28 = 16,740,530.40 : x
  2. Step 2: Convert to fraction form
    31,515,669.12/47,259,773.28 = 16,740,530.40/x
  3. Step 3: Cross multiply
    31,515,669.12x = 47,259,773.28 × 16,740,530.40
  4. Step 4: Simplify right side
    31,515,669.12x = 791,153,671,290,947.75
  5. Step 5: Solve for x
    x = 791,153,671,290,947.75/31,515,669.12
  6. Step 6: Final answer
    x = 25,103,502.27

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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.