Home / 20,023,958.17-30,018,124.05-7,241,621.14

Finding the Fourth Proportional to 20,023,958.17, 30,018,124.05 and 7,241,621.14

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Solution

The fourth proportional to 20,023,958.17, 30,018,124.05 and 7,241,621.14 is: 10,855,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,958.17 : 30,018,124.05 = 7,241,621.14 : x
  2. Step 2: Convert to fraction form
    20,023,958.17/30,018,124.05 = 7,241,621.14/x
  3. Step 3: Cross multiply
    20,023,958.17x = 30,018,124.05 × 7,241,621.14
  4. Step 4: Simplify right side
    20,023,958.17x = 217,379,881,703,622.41
  5. Step 5: Solve for x
    x = 217,379,881,703,622.41/20,023,958.17
  6. Step 6: Final answer
    x = 10,855,989.60

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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.