Home / 6,652,989.20-9,979,483.80-5,981,142.80

Finding the Fourth Proportional to 6,652,989.20, 9,979,483.80 and 5,981,142.80

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Solution

The fourth proportional to 6,652,989.20, 9,979,483.80 and 5,981,142.80 is: 8,971,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,989.20 : 9,979,483.80 = 5,981,142.80 : x
  2. Step 2: Convert to fraction form
    6,652,989.20/9,979,483.80 = 5,981,142.80/x
  3. Step 3: Cross multiply
    6,652,989.20x = 9,979,483.80 × 5,981,142.80
  4. Step 4: Simplify right side
    6,652,989.20x = 59,688,717,678,086.64
  5. Step 5: Solve for x
    x = 59,688,717,678,086.64/6,652,989.20
  6. Step 6: Final answer
    x = 8,971,714.20

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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.