Home / 12,293,068.60-18,402,278.10-10,949,375.80

Finding the Fourth Proportional to 12,293,068.60, 18,402,278.10 and 10,949,375.80

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Solution

The fourth proportional to 12,293,068.60, 18,402,278.10 and 10,949,375.80 is: 16,390,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,068.60 : 18,402,278.10 = 10,949,375.80 : x
  2. Step 2: Convert to fraction form
    12,293,068.60/18,402,278.10 = 10,949,375.80/x
  3. Step 3: Cross multiply
    12,293,068.60x = 18,402,278.10 × 10,949,375.80
  4. Step 4: Simplify right side
    12,293,068.60x = 201,493,458,493,010
  5. Step 5: Solve for x
    x = 201,493,458,493,010/12,293,068.60
  6. Step 6: Final answer
    x = 16,390,818.68

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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.