Home / 8,454,975.60-12,682,463.40-8,315,007.60

Finding the Fourth Proportional to 8,454,975.60, 12,682,463.40 and 8,315,007.60

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Solution

The fourth proportional to 8,454,975.60, 12,682,463.40 and 8,315,007.60 is: 12,472,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454,975.60 : 12,682,463.40 = 8,315,007.60 : x
  2. Step 2: Convert to fraction form
    8,454,975.60/12,682,463.40 = 8,315,007.60/x
  3. Step 3: Cross multiply
    8,454,975.60x = 12,682,463.40 × 8,315,007.60
  4. Step 4: Simplify right side
    8,454,975.60x = 105,454,779,557,721.84
  5. Step 5: Solve for x
    x = 105,454,779,557,721.84/8,454,975.60
  6. Step 6: Final answer
    x = 12,472,511.40

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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.