Home / 21,762,639.40-32,643,959.10-6,616,546.60

Finding the Fourth Proportional to 21,762,639.40, 32,643,959.10 and 6,616,546.60

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Solution

The fourth proportional to 21,762,639.40, 32,643,959.10 and 6,616,546.60 is: 9,924,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,639.40 : 32,643,959.10 = 6,616,546.60 : x
  2. Step 2: Convert to fraction form
    21,762,639.40/32,643,959.10 = 6,616,546.60/x
  3. Step 3: Cross multiply
    21,762,639.40x = 32,643,959.10 × 6,616,546.60
  4. Step 4: Simplify right side
    21,762,639.40x = 215,990,276,593,644.06
  5. Step 5: Solve for x
    x = 215,990,276,593,644.06/21,762,639.40
  6. Step 6: Final answer
    x = 9,924,819.90

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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.