Home / 27,648,103.60-41,472,155.40-20,780,340.40

Finding the Fourth Proportional to 27,648,103.60, 41,472,155.40 and 20,780,340.40

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Solution

The fourth proportional to 27,648,103.60, 41,472,155.40 and 20,780,340.40 is: 31,170,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648,103.60 : 41,472,155.40 = 20,780,340.40 : x
  2. Step 2: Convert to fraction form
    27,648,103.60/41,472,155.40 = 20,780,340.40/x
  3. Step 3: Cross multiply
    27,648,103.60x = 41,472,155.40 × 20,780,340.40
  4. Step 4: Simplify right side
    27,648,103.60x = 861,805,506,333,698.12
  5. Step 5: Solve for x
    x = 861,805,506,333,698.12/27,648,103.60
  6. Step 6: Final answer
    x = 31,170,510.60

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Double scale
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Similar ratio
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1.5x scale

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.