Home / 11,671,251.20-17,506,876.80-7,430,220.80

Finding the Fourth Proportional to 11,671,251.20, 17,506,876.80 and 7,430,220.80

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Solution

The fourth proportional to 11,671,251.20, 17,506,876.80 and 7,430,220.80 is: 11,145,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671,251.20 : 17,506,876.80 = 7,430,220.80 : x
  2. Step 2: Convert to fraction form
    11,671,251.20/17,506,876.80 = 7,430,220.80/x
  3. Step 3: Cross multiply
    11,671,251.20x = 17,506,876.80 × 7,430,220.80
  4. Step 4: Simplify right side
    11,671,251.20x = 130,079,960,142,397.44
  5. Step 5: Solve for x
    x = 130,079,960,142,397.44/11,671,251.20
  6. Step 6: Final answer
    x = 11,145,331.20

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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.