Home / 20,736,169.60-31,104,254.40-18,845,046.40

Finding the Fourth Proportional to 20,736,169.60, 31,104,254.40 and 18,845,046.40

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Solution

The fourth proportional to 20,736,169.60, 31,104,254.40 and 18,845,046.40 is: 28,267,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,169.60 : 31,104,254.40 = 18,845,046.40 : x
  2. Step 2: Convert to fraction form
    20,736,169.60/31,104,254.40 = 18,845,046.40/x
  3. Step 3: Cross multiply
    20,736,169.60x = 31,104,254.40 × 18,845,046.40
  4. Step 4: Simplify right side
    20,736,169.60x = 586,161,117,405,404.12
  5. Step 5: Solve for x
    x = 586,161,117,405,404.12/20,736,169.60
  6. Step 6: Final answer
    x = 28,267,569.60

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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.