Home / 20,594,638.40-30,891,957.60-15,826,395.20

Finding the Fourth Proportional to 20,594,638.40, 30,891,957.60 and 15,826,395.20

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Solution

The fourth proportional to 20,594,638.40, 30,891,957.60 and 15,826,395.20 is: 23,739,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,638.40 : 30,891,957.60 = 15,826,395.20 : x
  2. Step 2: Convert to fraction form
    20,594,638.40/30,891,957.60 = 15,826,395.20/x
  3. Step 3: Cross multiply
    20,594,638.40x = 30,891,957.60 × 15,826,395.20
  4. Step 4: Simplify right side
    20,594,638.40x = 488,908,329,479,243.50
  5. Step 5: Solve for x
    x = 488,908,329,479,243.50/20,594,638.40
  6. Step 6: Final answer
    x = 23,739,592.80

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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.