Home / 20,159,756.70-30,239,744.40-5,013,688.20

Finding the Fourth Proportional to 20,159,756.70, 30,239,744.40 and 5,013,688.20

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Solution

The fourth proportional to 20,159,756.70, 30,239,744.40 and 5,013,688.20 is: 7,520,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,756.70 : 30,239,744.40 = 5,013,688.20 : x
  2. Step 2: Convert to fraction form
    20,159,756.70/30,239,744.40 = 5,013,688.20/x
  3. Step 3: Cross multiply
    20,159,756.70x = 30,239,744.40 × 5,013,688.20
  4. Step 4: Simplify right side
    20,159,756.70x = 151,612,649,669,296.09
  5. Step 5: Solve for x
    x = 151,612,649,669,296.09/20,159,756.70
  6. Step 6: Final answer
    x = 7,520,559.50

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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.