Home / 48,561,695.60-72,842,543.40-12,659,903.60

Finding the Fourth Proportional to 48,561,695.60, 72,842,543.40 and 12,659,903.60

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Solution

The fourth proportional to 48,561,695.60, 72,842,543.40 and 12,659,903.60 is: 18,989,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,561,695.60 : 72,842,543.40 = 12,659,903.60 : x
  2. Step 2: Convert to fraction form
    48,561,695.60/72,842,543.40 = 12,659,903.60/x
  3. Step 3: Cross multiply
    48,561,695.60x = 72,842,543.40 × 12,659,903.60
  4. Step 4: Simplify right side
    48,561,695.60x = 922,179,577,422,816.25
  5. Step 5: Solve for x
    x = 922,179,577,422,816.25/48,561,695.60
  6. Step 6: Final answer
    x = 18,989,855.40

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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.