Home / 21,488,404.60-32,161,748.10-15,111,112.60

Finding the Fourth Proportional to 21,488,404.60, 32,161,748.10 and 15,111,112.60

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Solution

The fourth proportional to 21,488,404.60, 32,161,748.10 and 15,111,112.60 is: 22,616,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488,404.60 : 32,161,748.10 = 15,111,112.60 : x
  2. Step 2: Convert to fraction form
    21,488,404.60/32,161,748.10 = 15,111,112.60/x
  3. Step 3: Cross multiply
    21,488,404.60x = 32,161,748.10 × 15,111,112.60
  4. Step 4: Simplify right side
    21,488,404.60x = 485,999,796,951,936.06
  5. Step 5: Solve for x
    x = 485,999,796,951,936.06/21,488,404.60
  6. Step 6: Final answer
    x = 22,616,839.45

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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.