Home / 20,030,239.02-30,023,439.90-10,315,440.42

Finding the Fourth Proportional to 20,030,239.02, 30,023,439.90 and 10,315,440.42

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Solution

The fourth proportional to 20,030,239.02, 30,023,439.90 and 10,315,440.42 is: 15,461,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,239.02 : 30,023,439.90 = 10,315,440.42 : x
  2. Step 2: Convert to fraction form
    20,030,239.02/30,023,439.90 = 10,315,440.42/x
  3. Step 3: Cross multiply
    20,030,239.02x = 30,023,439.90 × 10,315,440.42
  4. Step 4: Simplify right side
    20,030,239.02x = 309,705,005,491,900.75
  5. Step 5: Solve for x
    x = 309,705,005,491,900.75/20,030,239.02
  6. Step 6: Final answer
    x = 15,461,872.68

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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.