Home / 12,293,078.60-18,402,293.10-10,949,385.80

Finding the Fourth Proportional to 12,293,078.60, 18,402,293.10 and 10,949,385.80

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Solution

The fourth proportional to 12,293,078.60, 18,402,293.10 and 10,949,385.80 is: 16,390,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,078.60 : 18,402,293.10 = 10,949,385.80 : x
  2. Step 2: Convert to fraction form
    12,293,078.60/18,402,293.10 = 10,949,385.80/x
  3. Step 3: Cross multiply
    12,293,078.60x = 18,402,293.10 × 10,949,385.80
  4. Step 4: Simplify right side
    12,293,078.60x = 201,493,806,756,578
  5. Step 5: Solve for x
    x = 201,493,806,756,578/12,293,078.60
  6. Step 6: Final answer
    x = 16,390,833.68

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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.