Home / 20,258,373.92-30,390,176.67-9,325,926.78

Finding the Fourth Proportional to 20,258,373.92, 30,390,176.67 and 9,325,926.78

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Solution

The fourth proportional to 20,258,373.92, 30,390,176.67 and 9,325,926.78 is: 13,990,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,373.92 : 30,390,176.67 = 9,325,926.78 : x
  2. Step 2: Convert to fraction form
    20,258,373.92/30,390,176.67 = 9,325,926.78/x
  3. Step 3: Cross multiply
    20,258,373.92x = 30,390,176.67 × 9,325,926.78
  4. Step 4: Simplify right side
    20,258,373.92x = 283,416,562,455,684.25
  5. Step 5: Solve for x
    x = 283,416,562,455,684.25/20,258,373.92
  6. Step 6: Final answer
    x = 13,990,094.35

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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.