Home / 17,720,991.60-26,581,487.40-9,658,834.80

Finding the Fourth Proportional to 17,720,991.60, 26,581,487.40 and 9,658,834.80

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Solution

The fourth proportional to 17,720,991.60, 26,581,487.40 and 9,658,834.80 is: 14,488,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720,991.60 : 26,581,487.40 = 9,658,834.80 : x
  2. Step 2: Convert to fraction form
    17,720,991.60/26,581,487.40 = 9,658,834.80/x
  3. Step 3: Cross multiply
    17,720,991.60x = 26,581,487.40 × 9,658,834.80
  4. Step 4: Simplify right side
    17,720,991.60x = 256,746,195,534,881.53
  5. Step 5: Solve for x
    x = 256,746,195,534,881.53/17,720,991.60
  6. Step 6: Final answer
    x = 14,488,252.20

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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.