Home / 25,315,436.32-34,935,469.92-13,712,999.68

Finding the Fourth Proportional to 25,315,436.32, 34,935,469.92 and 13,712,999.68

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Solution

The fourth proportional to 25,315,436.32, 34,935,469.92 and 13,712,999.68 is: 18,924,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315,436.32 : 34,935,469.92 = 13,712,999.68 : x
  2. Step 2: Convert to fraction form
    25,315,436.32/34,935,469.92 = 13,712,999.68/x
  3. Step 3: Cross multiply
    25,315,436.32x = 34,935,469.92 × 13,712,999.68
  4. Step 4: Simplify right side
    25,315,436.32x = 479,070,087,833,609.62
  5. Step 5: Solve for x
    x = 479,070,087,833,609.62/25,315,436.32
  6. Step 6: Final answer
    x = 18,924,030.45

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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.