Home / 13,497,621.60-20,246,432.40-3,913,312.80

Finding the Fourth Proportional to 13,497,621.60, 20,246,432.40 and 3,913,312.80

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Solution

The fourth proportional to 13,497,621.60, 20,246,432.40 and 3,913,312.80 is: 5,869,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497,621.60 : 20,246,432.40 = 3,913,312.80 : x
  2. Step 2: Convert to fraction form
    13,497,621.60/20,246,432.40 = 3,913,312.80/x
  3. Step 3: Cross multiply
    13,497,621.60x = 20,246,432.40 × 3,913,312.80
  4. Step 4: Simplify right side
    13,497,621.60x = 79,230,623,065,254.70
  5. Step 5: Solve for x
    x = 79,230,623,065,254.70/13,497,621.60
  6. Step 6: Final answer
    x = 5,869,969.20

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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.