Home / 20,455,740.81-30,682,863.85-6,078,434.92

Finding the Fourth Proportional to 20,455,740.81, 30,682,863.85 and 6,078,434.92

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Solution

The fourth proportional to 20,455,740.81, 30,682,863.85 and 6,078,434.92 is: 9,117,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,740.81 : 30,682,863.85 = 6,078,434.92 : x
  2. Step 2: Convert to fraction form
    20,455,740.81/30,682,863.85 = 6,078,434.92/x
  3. Step 3: Cross multiply
    20,455,740.81x = 30,682,863.85 × 6,078,434.92
  4. Step 4: Simplify right side
    20,455,740.81x = 186,503,791,071,445.66
  5. Step 5: Solve for x
    x = 186,503,791,071,445.66/20,455,740.81
  6. Step 6: Final answer
    x = 9,117,430.30

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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.