Home / 8,153,122.72-12,234,599.28-2,838,071.20

Finding the Fourth Proportional to 8,153,122.72, 12,234,599.28 and 2,838,071.20

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Solution

The fourth proportional to 8,153,122.72, 12,234,599.28 and 2,838,071.20 is: 4,258,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153,122.72 : 12,234,599.28 = 2,838,071.20 : x
  2. Step 2: Convert to fraction form
    8,153,122.72/12,234,599.28 = 2,838,071.20/x
  3. Step 3: Cross multiply
    8,153,122.72x = 12,234,599.28 × 2,838,071.20
  4. Step 4: Simplify right side
    8,153,122.72x = 34,722,663,860,108.74
  5. Step 5: Solve for x
    x = 34,722,663,860,108.74/8,153,122.72
  6. Step 6: Final answer
    x = 4,258,817.76

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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.