Home / 8,513,840.16-12,763,164.54-3,121,231.24

Finding the Fourth Proportional to 8,513,840.16, 12,763,164.54 and 3,121,231.24

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Solution

The fourth proportional to 8,513,840.16, 12,763,164.54 and 3,121,231.24 is: 4,679,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,840.16 : 12,763,164.54 = 3,121,231.24 : x
  2. Step 2: Convert to fraction form
    8,513,840.16/12,763,164.54 = 3,121,231.24/x
  3. Step 3: Cross multiply
    8,513,840.16x = 12,763,164.54 × 3,121,231.24
  4. Step 4: Simplify right side
    8,513,840.16x = 39,836,787,883,508.23
  5. Step 5: Solve for x
    x = 39,836,787,883,508.23/8,513,840.16
  6. Step 6: Final answer
    x = 4,679,062.23

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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.