Home / 18,398,902.95-25,390,654.00-10,139,261.59

Finding the Fourth Proportional to 18,398,902.95, 25,390,654.00 and 10,139,261.59

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Solution

The fourth proportional to 18,398,902.95, 25,390,654.00 and 10,139,261.59 is: 13,992,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,902.95 : 25,390,654.00 = 10,139,261.59 : x
  2. Step 2: Convert to fraction form
    18,398,902.95/25,390,654.00 = 10,139,261.59/x
  3. Step 3: Cross multiply
    18,398,902.95x = 25,390,654.00 × 10,139,261.59
  4. Step 4: Simplify right side
    18,398,902.95x = 257,442,482,710,747.59
  5. Step 5: Solve for x
    x = 257,442,482,710,747.59/18,398,902.95
  6. Step 6: Final answer
    x = 13,992,273.53

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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.