Home / 18,398,903.13-25,390,654.20-10,139,261.76

Finding the Fourth Proportional to 18,398,903.13, 25,390,654.20 and 10,139,261.76

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Solution

The fourth proportional to 18,398,903.13, 25,390,654.20 and 10,139,261.76 is: 13,992,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,903.13 : 25,390,654.20 = 10,139,261.76 : x
  2. Step 2: Convert to fraction form
    18,398,903.13/25,390,654.20 = 10,139,261.76/x
  3. Step 3: Cross multiply
    18,398,903.13x = 25,390,654.20 × 10,139,261.76
  4. Step 4: Simplify right side
    18,398,903.13x = 257,442,489,191,443.38
  5. Step 5: Solve for x
    x = 257,442,489,191,443.38/18,398,903.13
  6. Step 6: Final answer
    x = 13,992,273.74

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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.