Home / 8,479,616.72-11,700,808.98-5,732,281.80

Finding the Fourth Proportional to 8,479,616.72, 11,700,808.98 and 5,732,281.80

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Solution

The fourth proportional to 8,479,616.72, 11,700,808.98 and 5,732,281.80 is: 7,909,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479,616.72 : 11,700,808.98 = 5,732,281.80 : x
  2. Step 2: Convert to fraction form
    8,479,616.72/11,700,808.98 = 5,732,281.80/x
  3. Step 3: Cross multiply
    8,479,616.72x = 11,700,808.98 × 5,732,281.80
  4. Step 4: Simplify right side
    8,479,616.72x = 67,072,334,361,330.56
  5. Step 5: Solve for x
    x = 67,072,334,361,330.56/8,479,616.72
  6. Step 6: Final answer
    x = 7,909,830.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.