Home / 12,293,631.60-18,440,447.40-8,262,553.20

Finding the Fourth Proportional to 12,293,631.60, 18,440,447.40 and 8,262,553.20

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Solution

The fourth proportional to 12,293,631.60, 18,440,447.40 and 8,262,553.20 is: 12,393,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,631.60 : 18,440,447.40 = 8,262,553.20 : x
  2. Step 2: Convert to fraction form
    12,293,631.60/18,440,447.40 = 8,262,553.20/x
  3. Step 3: Cross multiply
    12,293,631.60x = 18,440,447.40 × 8,262,553.20
  4. Step 4: Simplify right side
    12,293,631.60x = 152,365,177,674,301.66
  5. Step 5: Solve for x
    x = 152,365,177,674,301.66/12,293,631.60
  6. Step 6: Final answer
    x = 12,393,829.80

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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.