Home / 18,398,905.33-25,390,657.28-10,139,263.97

Finding the Fourth Proportional to 18,398,905.33, 25,390,657.28 and 10,139,263.97

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Solution

The fourth proportional to 18,398,905.33, 25,390,657.28 and 10,139,263.97 is: 13,992,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,905.33 : 25,390,657.28 = 10,139,263.97 : x
  2. Step 2: Convert to fraction form
    18,398,905.33/25,390,657.28 = 10,139,263.97/x
  3. Step 3: Cross multiply
    18,398,905.33x = 25,390,657.28 × 10,139,263.97
  4. Step 4: Simplify right side
    18,398,905.33x = 257,442,576,381,420.75
  5. Step 5: Solve for x
    x = 257,442,576,381,420.75/18,398,905.33
  6. Step 6: Final answer
    x = 13,992,276.81

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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.