Home / 39,311,430.12-54,247,387.14-21,669,559.56

Finding the Fourth Proportional to 39,311,430.12, 54,247,387.14 and 21,669,559.56

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Solution

The fourth proportional to 39,311,430.12, 54,247,387.14 and 21,669,559.56 is: 29,902,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,311,430.12 : 54,247,387.14 = 21,669,559.56 : x
  2. Step 2: Convert to fraction form
    39,311,430.12/54,247,387.14 = 21,669,559.56/x
  3. Step 3: Cross multiply
    39,311,430.12x = 54,247,387.14 × 21,669,559.56
  4. Step 4: Simplify right side
    39,311,430.12x = 1,175,516,986,604,608
  5. Step 5: Solve for x
    x = 1,175,516,986,604,608/39,311,430.12
  6. Step 6: Final answer
    x = 29,902,676.73

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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.