Home / 13,287,602.76-18,336,946.02-7,486,468.62

Finding the Fourth Proportional to 13,287,602.76, 18,336,946.02 and 7,486,468.62

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Solution

The fourth proportional to 13,287,602.76, 18,336,946.02 and 7,486,468.62 is: 10,331,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,602.76 : 18,336,946.02 = 7,486,468.62 : x
  2. Step 2: Convert to fraction form
    13,287,602.76/18,336,946.02 = 7,486,468.62/x
  3. Step 3: Cross multiply
    13,287,602.76x = 18,336,946.02 × 7,486,468.62
  4. Step 4: Simplify right side
    13,287,602.76x = 137,278,970,965,363.89
  5. Step 5: Solve for x
    x = 137,278,970,965,363.89/13,287,602.76
  6. Step 6: Final answer
    x = 10,331,357.24

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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.