Home / 20,219,838.10-30,329,757.15-8,882,430.10

Finding the Fourth Proportional to 20,219,838.10, 30,329,757.15 and 8,882,430.10

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Solution

The fourth proportional to 20,219,838.10, 30,329,757.15 and 8,882,430.10 is: 13,323,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,838.10 : 30,329,757.15 = 8,882,430.10 : x
  2. Step 2: Convert to fraction form
    20,219,838.10/30,329,757.15 = 8,882,430.10/x
  3. Step 3: Cross multiply
    20,219,838.10x = 30,329,757.15 × 8,882,430.10
  4. Step 4: Simplify right side
    20,219,838.10x = 269,401,947,834,850.19
  5. Step 5: Solve for x
    x = 269,401,947,834,850.19/20,219,838.10
  6. Step 6: Final answer
    x = 13,323,645.15

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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.