Home / 15,554,449.80-21,459,153.96-9,743,114.52

Finding the Fourth Proportional to 15,554,449.80, 21,459,153.96 and 9,743,114.52

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Solution

The fourth proportional to 15,554,449.80, 21,459,153.96 and 9,743,114.52 is: 13,441,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554,449.80 : 21,459,153.96 = 9,743,114.52 : x
  2. Step 2: Convert to fraction form
    15,554,449.80/21,459,153.96 = 9,743,114.52/x
  3. Step 3: Cross multiply
    15,554,449.80x = 21,459,153.96 × 9,743,114.52
  4. Step 4: Simplify right side
    15,554,449.80x = 209,078,994,534,591.50
  5. Step 5: Solve for x
    x = 209,078,994,534,591.50/15,554,449.80
  6. Step 6: Final answer
    x = 13,441,748.00

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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.