Home / 20,235,445.26-27,934,033.92-12,903,134.10

Finding the Fourth Proportional to 20,235,445.26, 27,934,033.92 and 12,903,134.10

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Solution

The fourth proportional to 20,235,445.26, 27,934,033.92 and 12,903,134.10 is: 17,812,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,445.26 : 27,934,033.92 = 12,903,134.10 : x
  2. Step 2: Convert to fraction form
    20,235,445.26/27,934,033.92 = 12,903,134.10/x
  3. Step 3: Cross multiply
    20,235,445.26x = 27,934,033.92 × 12,903,134.10
  4. Step 4: Simplify right side
    20,235,445.26x = 360,436,585,623,708.69
  5. Step 5: Solve for x
    x = 360,436,585,623,708.69/20,235,445.26
  6. Step 6: Final answer
    x = 17,812,140.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.