Home / 20,158,747.20-30,230,258.40-8,791,444.80

Finding the Fourth Proportional to 20,158,747.20, 30,230,258.40 and 8,791,444.80

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Solution

The fourth proportional to 20,158,747.20, 30,230,258.40 and 8,791,444.80 is: 13,183,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,747.20 : 30,230,258.40 = 8,791,444.80 : x
  2. Step 2: Convert to fraction form
    20,158,747.20/30,230,258.40 = 8,791,444.80/x
  3. Step 3: Cross multiply
    20,158,747.20x = 30,230,258.40 × 8,791,444.80
  4. Step 4: Simplify right side
    20,158,747.20x = 265,767,648,013,336.34
  5. Step 5: Solve for x
    x = 265,767,648,013,336.34/20,158,747.20
  6. Step 6: Final answer
    x = 13,183,738.32

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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.