Home / 39,154,128.80-54,034,229.92-26,790,154.32

Finding the Fourth Proportional to 39,154,128.80, 54,034,229.92 and 26,790,154.32

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Solution

The fourth proportional to 39,154,128.80, 54,034,229.92 and 26,790,154.32 is: 36,971,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,154,128.80 : 54,034,229.92 = 26,790,154.32 : x
  2. Step 2: Convert to fraction form
    39,154,128.80/54,034,229.92 = 26,790,154.32/x
  3. Step 3: Cross multiply
    39,154,128.80x = 54,034,229.92 × 26,790,154.32
  4. Step 4: Simplify right side
    39,154,128.80x = 1,447,585,358,119,161.25
  5. Step 5: Solve for x
    x = 1,447,585,358,119,161.25/39,154,128.80
  6. Step 6: Final answer
    x = 36,971,461.31

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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.