Home / 20,212,902.10-30,319,353.15-17,024,256.10

Finding the Fourth Proportional to 20,212,902.10, 30,319,353.15 and 17,024,256.10

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Solution

The fourth proportional to 20,212,902.10, 30,319,353.15 and 17,024,256.10 is: 25,536,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,902.10 : 30,319,353.15 = 17,024,256.10 : x
  2. Step 2: Convert to fraction form
    20,212,902.10/30,319,353.15 = 17,024,256.10/x
  3. Step 3: Cross multiply
    20,212,902.10x = 30,319,353.15 × 17,024,256.10
  4. Step 4: Simplify right side
    20,212,902.10x = 516,164,432,811,941.75
  5. Step 5: Solve for x
    x = 516,164,432,811,941.75/20,212,902.10
  6. Step 6: Final answer
    x = 25,536,384.15

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1.5x scale

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.