Home / 12,294,515.30-18,441,772.95-9,903,030.80

Finding the Fourth Proportional to 12,294,515.30, 18,441,772.95 and 9,903,030.80

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Solution

The fourth proportional to 12,294,515.30, 18,441,772.95 and 9,903,030.80 is: 14,854,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,515.30 : 18,441,772.95 = 9,903,030.80 : x
  2. Step 2: Convert to fraction form
    12,294,515.30/18,441,772.95 = 9,903,030.80/x
  3. Step 3: Cross multiply
    12,294,515.30x = 18,441,772.95 × 9,903,030.80
  4. Step 4: Simplify right side
    12,294,515.30x = 182,629,445,530,456.88
  5. Step 5: Solve for x
    x = 182,629,445,530,456.88/12,294,515.30
  6. Step 6: Final answer
    x = 14,854,546.20

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Double scale
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Similar ratio
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1.5x scale

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.