Home / 18,208,497.68-25,127,433.20-9,948,382.32

Finding the Fourth Proportional to 18,208,497.68, 25,127,433.20 and 9,948,382.32

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Solution

The fourth proportional to 18,208,497.68, 25,127,433.20 and 9,948,382.32 is: 13,728,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,497.68 : 25,127,433.20 = 9,948,382.32 : x
  2. Step 2: Convert to fraction form
    18,208,497.68/25,127,433.20 = 9,948,382.32/x
  3. Step 3: Cross multiply
    18,208,497.68x = 25,127,433.20 × 9,948,382.32
  4. Step 4: Simplify right side
    18,208,497.68x = 249,977,312,193,861.03
  5. Step 5: Solve for x
    x = 249,977,312,193,861.03/18,208,497.68
  6. Step 6: Final answer
    x = 13,728,607.19

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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.