Home / 7,182,029.40-10,773,044.10-6,520,680.60

Finding the Fourth Proportional to 7,182,029.40, 10,773,044.10 and 6,520,680.60

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Solution

The fourth proportional to 7,182,029.40, 10,773,044.10 and 6,520,680.60 is: 9,781,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,029.40 : 10,773,044.10 = 6,520,680.60 : x
  2. Step 2: Convert to fraction form
    7,182,029.40/10,773,044.10 = 6,520,680.60/x
  3. Step 3: Cross multiply
    7,182,029.40x = 10,773,044.10 × 6,520,680.60
  4. Step 4: Simplify right side
    7,182,029.40x = 70,247,579,665,814.45
  5. Step 5: Solve for x
    x = 70,247,579,665,814.45/7,182,029.40
  6. Step 6: Final answer
    x = 9,781,020.90

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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.