Home / 48,561,663.60-72,842,495.40-12,659,871.60

Finding the Fourth Proportional to 48,561,663.60, 72,842,495.40 and 12,659,871.60

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Solution

The fourth proportional to 48,561,663.60, 72,842,495.40 and 12,659,871.60 is: 18,989,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,561,663.60 : 72,842,495.40 = 12,659,871.60 : x
  2. Step 2: Convert to fraction form
    48,561,663.60/72,842,495.40 = 12,659,871.60/x
  3. Step 3: Cross multiply
    48,561,663.60x = 72,842,495.40 × 12,659,871.60
  4. Step 4: Simplify right side
    48,561,663.60x = 922,176,638,787,590.75
  5. Step 5: Solve for x
    x = 922,176,638,787,590.75/48,561,663.60
  6. Step 6: Final answer
    x = 18,989,807.40

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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.