Home / 12,671,841.92-18,955,705.19-10,118,044.95

Finding the Fourth Proportional to 12,671,841.92, 18,955,705.19 and 10,118,044.95

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Solution

The fourth proportional to 12,671,841.92, 18,955,705.19 and 10,118,044.95 is: 15,135,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,841.92 : 18,955,705.19 = 10,118,044.95 : x
  2. Step 2: Convert to fraction form
    12,671,841.92/18,955,705.19 = 10,118,044.95/x
  3. Step 3: Cross multiply
    12,671,841.92x = 18,955,705.19 × 10,118,044.95
  4. Step 4: Simplify right side
    12,671,841.92x = 191,794,677,120,778.03
  5. Step 5: Solve for x
    x = 191,794,677,120,778.03/12,671,841.92
  6. Step 6: Final answer
    x = 15,135,501.08

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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.