Home / 10,664,582.80-15,996,874.20-6,838,207.60

Finding the Fourth Proportional to 10,664,582.80, 15,996,874.20 and 6,838,207.60

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Solution

The fourth proportional to 10,664,582.80, 15,996,874.20 and 6,838,207.60 is: 10,257,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664,582.80 : 15,996,874.20 = 6,838,207.60 : x
  2. Step 2: Convert to fraction form
    10,664,582.80/15,996,874.20 = 6,838,207.60/x
  3. Step 3: Cross multiply
    10,664,582.80x = 15,996,874.20 × 6,838,207.60
  4. Step 4: Simplify right side
    10,664,582.80x = 109,389,946,730,683.91
  5. Step 5: Solve for x
    x = 109,389,946,730,683.91/10,664,582.80
  6. Step 6: Final answer
    x = 10,257,311.40

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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.