Home / 12,671,841.17-18,955,704.06-10,118,044.20

Finding the Fourth Proportional to 12,671,841.17, 18,955,704.06 and 10,118,044.20

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Solution

The fourth proportional to 12,671,841.17, 18,955,704.06 and 10,118,044.20 is: 15,135,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,841.17 : 18,955,704.06 = 10,118,044.20 : x
  2. Step 2: Convert to fraction form
    12,671,841.17/18,955,704.06 = 10,118,044.20/x
  3. Step 3: Cross multiply
    12,671,841.17x = 18,955,704.06 × 10,118,044.20
  4. Step 4: Simplify right side
    12,671,841.17x = 191,794,651,488,058.19
  5. Step 5: Solve for x
    x = 191,794,651,488,058.19/12,671,841.17
  6. Step 6: Final answer
    x = 15,135,499.95

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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.