Home / 48,561,664.60-72,842,496.90-12,659,872.60

Finding the Fourth Proportional to 48,561,664.60, 72,842,496.90 and 12,659,872.60

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Solution

The fourth proportional to 48,561,664.60, 72,842,496.90 and 12,659,872.60 is: 18,989,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,561,664.60 : 72,842,496.90 = 12,659,872.60 : x
  2. Step 2: Convert to fraction form
    48,561,664.60/72,842,496.90 = 12,659,872.60/x
  3. Step 3: Cross multiply
    48,561,664.60x = 72,842,496.90 × 12,659,872.60
  4. Step 4: Simplify right side
    48,561,664.60x = 922,176,730,619,895
  5. Step 5: Solve for x
    x = 922,176,730,619,895/48,561,664.60
  6. Step 6: Final answer
    x = 18,989,808.90

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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.