Home / 8,889,453.30-13,334,179.95-6,649,965.30

Finding the Fourth Proportional to 8,889,453.30, 13,334,179.95 and 6,649,965.30

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Solution

The fourth proportional to 8,889,453.30, 13,334,179.95 and 6,649,965.30 is: 9,974,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,453.30 : 13,334,179.95 = 6,649,965.30 : x
  2. Step 2: Convert to fraction form
    8,889,453.30/13,334,179.95 = 6,649,965.30/x
  3. Step 3: Cross multiply
    8,889,453.30x = 13,334,179.95 × 6,649,965.30
  4. Step 4: Simplify right side
    8,889,453.30x = 88,671,833,971,455.73
  5. Step 5: Solve for x
    x = 88,671,833,971,455.73/8,889,453.30
  6. Step 6: Final answer
    x = 9,974,947.95

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Double scale
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Similar ratio
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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.