Home / 8,523,743.76-12,781,200.60-3,131,001.36

Finding the Fourth Proportional to 8,523,743.76, 12,781,200.60 and 3,131,001.36

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Solution

The fourth proportional to 8,523,743.76, 12,781,200.60 and 3,131,001.36 is: 4,694,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523,743.76 : 12,781,200.60 = 3,131,001.36 : x
  2. Step 2: Convert to fraction form
    8,523,743.76/12,781,200.60 = 3,131,001.36/x
  3. Step 3: Cross multiply
    8,523,743.76x = 12,781,200.60 × 3,131,001.36
  4. Step 4: Simplify right side
    8,523,743.76x = 40,017,956,461,032.81
  5. Step 5: Solve for x
    x = 40,017,956,461,032.81/8,523,743.76
  6. Step 6: Final answer
    x = 4,694,880.28

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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.