Home / 18,398,903.03-25,390,654.12-10,139,261.68

Finding the Fourth Proportional to 18,398,903.03, 25,390,654.12 and 10,139,261.68

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Solution

The fourth proportional to 18,398,903.03, 25,390,654.12 and 10,139,261.68 is: 13,992,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,903.03 : 25,390,654.12 = 10,139,261.68 : x
  2. Step 2: Convert to fraction form
    18,398,903.03/25,390,654.12 = 10,139,261.68/x
  3. Step 3: Cross multiply
    18,398,903.03x = 25,390,654.12 × 10,139,261.68
  4. Step 4: Simplify right side
    18,398,903.03x = 257,442,486,260,225.34
  5. Step 5: Solve for x
    x = 257,442,486,260,225.34/18,398,903.03
  6. Step 6: Final answer
    x = 13,992,273.66

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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.