Home / 8,840,437.89-12,192,525.95-5,215,266.69

Finding the Fourth Proportional to 8,840,437.89, 12,192,525.95 and 5,215,266.69

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Solution

The fourth proportional to 8,840,437.89, 12,192,525.95 and 5,215,266.69 is: 7,192,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840,437.89 : 12,192,525.95 = 5,215,266.69 : x
  2. Step 2: Convert to fraction form
    8,840,437.89/12,192,525.95 = 5,215,266.69/x
  3. Step 3: Cross multiply
    8,840,437.89x = 12,192,525.95 × 5,215,266.69
  4. Step 4: Simplify right side
    8,840,437.89x = 63,587,274,453,995.61
  5. Step 5: Solve for x
    x = 63,587,274,453,995.61/8,840,437.89
  6. Step 6: Final answer
    x = 7,192,774.30

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Double scale
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1.5x scale

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.