Home / 19,345,165.60-29,040,097.20-10,387,213.60

Finding the Fourth Proportional to 19,345,165.60, 29,040,097.20 and 10,387,213.60

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Solution

The fourth proportional to 19,345,165.60, 29,040,097.20 and 10,387,213.60 is: 15,592,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345,165.60 : 29,040,097.20 = 10,387,213.60 : x
  2. Step 2: Convert to fraction form
    19,345,165.60/29,040,097.20 = 10,387,213.60/x
  3. Step 3: Cross multiply
    19,345,165.60x = 29,040,097.20 × 10,387,213.60
  4. Step 4: Simplify right side
    19,345,165.60x = 301,645,692,581,161.88
  5. Step 5: Solve for x
    x = 301,645,692,581,161.88/19,345,165.60
  6. Step 6: Final answer
    x = 15,592,820.39

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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.