Home / 18,193,854.16-25,107,328.32-9,933,890.84

Finding the Fourth Proportional to 18,193,854.16, 25,107,328.32 and 9,933,890.84

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Solution

The fourth proportional to 18,193,854.16, 25,107,328.32 and 9,933,890.84 is: 13,708,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,854.16 : 25,107,328.32 = 9,933,890.84 : x
  2. Step 2: Convert to fraction form
    18,193,854.16/25,107,328.32 = 9,933,890.84/x
  3. Step 3: Cross multiply
    18,193,854.16x = 25,107,328.32 × 9,933,890.84
  4. Step 4: Simplify right side
    18,193,854.16x = 249,413,458,814,920.59
  5. Step 5: Solve for x
    x = 249,413,458,814,920.59/18,193,854.16
  6. Step 6: Final answer
    x = 13,708,665.39

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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.