Home / 38,070,815.69-52,538,364.57-20,667,160.90

Finding the Fourth Proportional to 38,070,815.69, 52,538,364.57 and 20,667,160.90

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Solution

The fourth proportional to 38,070,815.69, 52,538,364.57 and 20,667,160.90 is: 28,521,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070,815.69 : 52,538,364.57 = 20,667,160.90 : x
  2. Step 2: Convert to fraction form
    38,070,815.69/52,538,364.57 = 20,667,160.90/x
  3. Step 3: Cross multiply
    38,070,815.69x = 52,538,364.57 × 20,667,160.90
  4. Step 4: Simplify right side
    38,070,815.69x = 1,085,818,834,134,224.12
  5. Step 5: Solve for x
    x = 1,085,818,834,134,224.12/38,070,815.69
  6. Step 6: Final answer
    x = 28,521,028.89

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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.