Home / 8,515,317.28-12,766,079.58-5,812,836.52

Finding the Fourth Proportional to 8,515,317.28, 12,766,079.58 and 5,812,836.52

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Solution

The fourth proportional to 8,515,317.28, 12,766,079.58 and 5,812,836.52 is: 8,714,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,317.28 : 12,766,079.58 = 5,812,836.52 : x
  2. Step 2: Convert to fraction form
    8,515,317.28/12,766,079.58 = 5,812,836.52/x
  3. Step 3: Cross multiply
    8,515,317.28x = 12,766,079.58 × 5,812,836.52
  4. Step 4: Simplify right side
    8,515,317.28x = 74,207,133,599,850.25
  5. Step 5: Solve for x
    x = 74,207,133,599,850.25/8,515,317.28
  6. Step 6: Final answer
    x = 8,714,547.11

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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.