Home / 38,191,993.68-57,287,429.55-9,438,128.58

Finding the Fourth Proportional to 38,191,993.68, 57,287,429.55 and 9,438,128.58

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Solution

The fourth proportional to 38,191,993.68, 57,287,429.55 and 9,438,128.58 is: 14,157,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191,993.68 : 57,287,429.55 = 9,438,128.58 : x
  2. Step 2: Convert to fraction form
    38,191,993.68/57,287,429.55 = 9,438,128.58/x
  3. Step 3: Cross multiply
    38,191,993.68x = 57,287,429.55 × 9,438,128.58
  4. Step 4: Simplify right side
    38,191,993.68x = 540,686,126,110,591.50
  5. Step 5: Solve for x
    x = 540,686,126,110,591.50/38,191,993.68
  6. Step 6: Final answer
    x = 14,157,054.24

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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.