Home / 34,309,885.35-51,504,686.10-20,678,423.70

Finding the Fourth Proportional to 34,309,885.35, 51,504,686.10 and 20,678,423.70

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Solution

The fourth proportional to 34,309,885.35, 51,504,686.10 and 20,678,423.70 is: 31,041,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,309,885.35 : 51,504,686.10 = 20,678,423.70 : x
  2. Step 2: Convert to fraction form
    34,309,885.35/51,504,686.10 = 20,678,423.70/x
  3. Step 3: Cross multiply
    34,309,885.35x = 51,504,686.10 × 20,678,423.70
  4. Step 4: Simplify right side
    34,309,885.35x = 1,065,035,721,711,300.50
  5. Step 5: Solve for x
    x = 1,065,035,721,711,300.50/34,309,885.35
  6. Step 6: Final answer
    x = 31,041,657.84

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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.