Home / 21,762,638.40-32,643,957.60-6,616,545.60

Finding the Fourth Proportional to 21,762,638.40, 32,643,957.60 and 6,616,545.60

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Solution

The fourth proportional to 21,762,638.40, 32,643,957.60 and 6,616,545.60 is: 9,924,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,638.40 : 32,643,957.60 = 6,616,545.60 : x
  2. Step 2: Convert to fraction form
    21,762,638.40/32,643,957.60 = 6,616,545.60/x
  3. Step 3: Cross multiply
    21,762,638.40x = 32,643,957.60 × 6,616,545.60
  4. Step 4: Simplify right side
    21,762,638.40x = 215,990,234,024,866.56
  5. Step 5: Solve for x
    x = 215,990,234,024,866.56/21,762,638.40
  6. Step 6: Final answer
    x = 9,924,818.40

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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.