Home / 7,151,049.60-10,730,721.60-2,663,779.20

Finding the Fourth Proportional to 7,151,049.60, 10,730,721.60 and 2,663,779.20

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Solution

The fourth proportional to 7,151,049.60, 10,730,721.60 and 2,663,779.20 is: 3,997,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151,049.60 : 10,730,721.60 = 2,663,779.20 : x
  2. Step 2: Convert to fraction form
    7,151,049.60/10,730,721.60 = 2,663,779.20/x
  3. Step 3: Cross multiply
    7,151,049.60x = 10,730,721.60 × 2,663,779.20
  4. Step 4: Simplify right side
    7,151,049.60x = 28,584,272,999,070.72
  5. Step 5: Solve for x
    x = 28,584,272,999,070.72/7,151,049.60
  6. Step 6: Final answer
    x = 3,997,213.64

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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.