Home / 18,148,042.36-25,038,925.76-10,799,984.80

Finding the Fourth Proportional to 18,148,042.36, 25,038,925.76 and 10,799,984.80

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Solution

The fourth proportional to 18,148,042.36, 25,038,925.76 and 10,799,984.80 is: 14,900,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,042.36 : 25,038,925.76 = 10,799,984.80 : x
  2. Step 2: Convert to fraction form
    18,148,042.36/25,038,925.76 = 10,799,984.80/x
  3. Step 3: Cross multiply
    18,148,042.36x = 25,038,925.76 × 10,799,984.80
  4. Step 4: Simplify right side
    18,148,042.36x = 270,420,017,616,328.47
  5. Step 5: Solve for x
    x = 270,420,017,616,328.47/18,148,042.36
  6. Step 6: Final answer
    x = 14,900,781.71

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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.