Home / 8,521,225.60-12,781,903.20-2,841,440.80

Finding the Fourth Proportional to 8,521,225.60, 12,781,903.20 and 2,841,440.80

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Solution

The fourth proportional to 8,521,225.60, 12,781,903.20 and 2,841,440.80 is: 4,262,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,225.60 : 12,781,903.20 = 2,841,440.80 : x
  2. Step 2: Convert to fraction form
    8,521,225.60/12,781,903.20 = 2,841,440.80/x
  3. Step 3: Cross multiply
    8,521,225.60x = 12,781,903.20 × 2,841,440.80
  4. Step 4: Simplify right side
    8,521,225.60x = 36,319,021,254,130.55
  5. Step 5: Solve for x
    x = 36,319,021,254,130.55/8,521,225.60
  6. Step 6: Final answer
    x = 4,262,182.81

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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.