Home / 20,342,312.15-30,513,468.23-13,528,057.55

Finding the Fourth Proportional to 20,342,312.15, 30,513,468.23 and 13,528,057.55

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Solution

The fourth proportional to 20,342,312.15, 30,513,468.23 and 13,528,057.55 is: 20,292,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,312.15 : 30,513,468.23 = 13,528,057.55 : x
  2. Step 2: Convert to fraction form
    20,342,312.15/30,513,468.23 = 13,528,057.55/x
  3. Step 3: Cross multiply
    20,342,312.15x = 30,513,468.23 × 13,528,057.55
  4. Step 4: Simplify right side
    20,342,312.15x = 412,787,954,265,536.69
  5. Step 5: Solve for x
    x = 412,787,954,265,536.69/20,342,312.15
  6. Step 6: Final answer
    x = 20,292,086.33

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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.