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Finding the Fourth Proportional to 17,408,981.60, 26,113,472.40 and 13,162,248.80

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Solution

The fourth proportional to 17,408,981.60, 26,113,472.40 and 13,162,248.80 is: 19,743,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408,981.60 : 26,113,472.40 = 13,162,248.80 : x
  2. Step 2: Convert to fraction form
    17,408,981.60/26,113,472.40 = 13,162,248.80/x
  3. Step 3: Cross multiply
    17,408,981.60x = 26,113,472.40 × 13,162,248.80
  4. Step 4: Simplify right side
    17,408,981.60x = 343,712,020,760,733.12
  5. Step 5: Solve for x
    x = 343,712,020,760,733.12/17,408,981.60
  6. Step 6: Final answer
    x = 19,743,373.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.