Home / 22,191,707.78-30,625,502.54-12,402,151.70

Finding the Fourth Proportional to 22,191,707.78, 30,625,502.54 and 12,402,151.70

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Solution

The fourth proportional to 22,191,707.78, 30,625,502.54 and 12,402,151.70 is: 17,115,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191,707.78 : 30,625,502.54 = 12,402,151.70 : x
  2. Step 2: Convert to fraction form
    22,191,707.78/30,625,502.54 = 12,402,151.70/x
  3. Step 3: Cross multiply
    22,191,707.78x = 30,625,502.54 × 12,402,151.70
  4. Step 4: Simplify right side
    22,191,707.78x = 379,822,128,174,677.06
  5. Step 5: Solve for x
    x = 379,822,128,174,677.06/22,191,707.78
  6. Step 6: Final answer
    x = 17,115,497.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.