Home / 20,487,925.60-30,733,443.60-6,109,871.20

Finding the Fourth Proportional to 20,487,925.60, 30,733,443.60 and 6,109,871.20

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Solution

The fourth proportional to 20,487,925.60, 30,733,443.60 and 6,109,871.20 is: 9,165,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487,925.60 : 30,733,443.60 = 6,109,871.20 : x
  2. Step 2: Convert to fraction form
    20,487,925.60/30,733,443.60 = 6,109,871.20/x
  3. Step 3: Cross multiply
    20,487,925.60x = 30,733,443.60 × 6,109,871.20
  4. Step 4: Simplify right side
    20,487,925.60x = 187,777,381,928,464.34
  5. Step 5: Solve for x
    x = 187,777,381,928,464.34/20,487,925.60
  6. Step 6: Final answer
    x = 9,165,270.59

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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.