Home / 8,480,038.10-12,720,057.15-5,078,815.70

Finding the Fourth Proportional to 8,480,038.10, 12,720,057.15 and 5,078,815.70

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Solution

The fourth proportional to 8,480,038.10, 12,720,057.15 and 5,078,815.70 is: 7,618,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480,038.10 : 12,720,057.15 = 5,078,815.70 : x
  2. Step 2: Convert to fraction form
    8,480,038.10/12,720,057.15 = 5,078,815.70/x
  3. Step 3: Cross multiply
    8,480,038.10x = 12,720,057.15 × 5,078,815.70
  4. Step 4: Simplify right side
    8,480,038.10x = 64,602,825,958,317.26
  5. Step 5: Solve for x
    x = 64,602,825,958,317.26/8,480,038.10
  6. Step 6: Final answer
    x = 7,618,223.55

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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.