Home / 18,398,905.95-25,390,658.14-10,139,264.59

Finding the Fourth Proportional to 18,398,905.95, 25,390,658.14 and 10,139,264.59

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Solution

The fourth proportional to 18,398,905.95, 25,390,658.14 and 10,139,264.59 is: 13,992,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,905.95 : 25,390,658.14 = 10,139,264.59 : x
  2. Step 2: Convert to fraction form
    18,398,905.95/25,390,658.14 = 10,139,264.59/x
  3. Step 3: Cross multiply
    18,398,905.95x = 25,390,658.14 × 10,139,264.59
  4. Step 4: Simplify right side
    18,398,905.95x = 257,442,600,995,697.25
  5. Step 5: Solve for x
    x = 257,442,600,995,697.25/18,398,905.95
  6. Step 6: Final answer
    x = 13,992,277.68

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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.