Home / 12,558,701.40-18,838,052.10-3,460,781.40

Finding the Fourth Proportional to 12,558,701.40, 18,838,052.10 and 3,460,781.40

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Solution

The fourth proportional to 12,558,701.40, 18,838,052.10 and 3,460,781.40 is: 5,191,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,701.40 : 18,838,052.10 = 3,460,781.40 : x
  2. Step 2: Convert to fraction form
    12,558,701.40/18,838,052.10 = 3,460,781.40/x
  3. Step 3: Cross multiply
    12,558,701.40x = 18,838,052.10 × 3,460,781.40
  4. Step 4: Simplify right side
    12,558,701.40x = 65,194,380,319,910.95
  5. Step 5: Solve for x
    x = 65,194,380,319,910.95/12,558,701.40
  6. Step 6: Final answer
    x = 5,191,172.10

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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.