Home / 18,388,115.32-25,375,597.93-10,657,641.68

Finding the Fourth Proportional to 18,388,115.32, 25,375,597.93 and 10,657,641.68

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Solution

The fourth proportional to 18,388,115.32, 25,375,597.93 and 10,657,641.68 is: 14,707,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,115.32 : 25,375,597.93 = 10,657,641.68 : x
  2. Step 2: Convert to fraction form
    18,388,115.32/25,375,597.93 = 10,657,641.68/x
  3. Step 3: Cross multiply
    18,388,115.32x = 25,375,597.93 × 10,657,641.68
  4. Step 4: Simplify right side
    18,388,115.32x = 270,444,030,153,689.72
  5. Step 5: Solve for x
    x = 270,444,030,153,689.72/18,388,115.32
  6. Step 6: Final answer
    x = 14,707,544.82

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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.