Home / 38,127,111.68-52,614,308.26-21,608,762.85

Finding the Fourth Proportional to 38,127,111.68, 52,614,308.26 and 21,608,762.85

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Solution

The fourth proportional to 38,127,111.68, 52,614,308.26 and 21,608,762.85 is: 29,819,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127,111.68 : 52,614,308.26 = 21,608,762.85 : x
  2. Step 2: Convert to fraction form
    38,127,111.68/52,614,308.26 = 21,608,762.85/x
  3. Step 3: Cross multiply
    38,127,111.68x = 52,614,308.26 × 21,608,762.85
  4. Step 4: Simplify right side
    38,127,111.68x = 1,136,930,109,734,147
  5. Step 5: Solve for x
    x = 1,136,930,109,734,147/38,127,111.68
  6. Step 6: Final answer
    x = 29,819,465.98

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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.