Home / 18,398,903.95-25,390,655.38-10,139,262.59

Finding the Fourth Proportional to 18,398,903.95, 25,390,655.38 and 10,139,262.59

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Solution

The fourth proportional to 18,398,903.95, 25,390,655.38 and 10,139,262.59 is: 13,992,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,903.95 : 25,390,655.38 = 10,139,262.59 : x
  2. Step 2: Convert to fraction form
    18,398,903.95/25,390,655.38 = 10,139,262.59/x
  3. Step 3: Cross multiply
    18,398,903.95x = 25,390,655.38 × 10,139,262.59
  4. Step 4: Simplify right side
    18,398,903.95x = 257,442,522,230,016.22
  5. Step 5: Solve for x
    x = 257,442,522,230,016.22/18,398,903.95
  6. Step 6: Final answer
    x = 13,992,274.92

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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.