Home / 12,671,843.17-18,955,707.06-10,118,046.20

Finding the Fourth Proportional to 12,671,843.17, 18,955,707.06 and 10,118,046.20

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Solution

The fourth proportional to 12,671,843.17, 18,955,707.06 and 10,118,046.20 is: 15,135,502.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,843.17 : 18,955,707.06 = 10,118,046.20 : x
  2. Step 2: Convert to fraction form
    12,671,843.17/18,955,707.06 = 10,118,046.20/x
  3. Step 3: Cross multiply
    12,671,843.17x = 18,955,707.06 × 10,118,046.20
  4. Step 4: Simplify right side
    12,671,843.17x = 191,794,719,786,746.16
  5. Step 5: Solve for x
    x = 191,794,719,786,746.16/12,671,843.17
  6. Step 6: Final answer
    x = 15,135,502.96

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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.