Home / 12,097,612.80-18,146,419.20-3,122,164.80

Finding the Fourth Proportional to 12,097,612.80, 18,146,419.20 and 3,122,164.80

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Solution

The fourth proportional to 12,097,612.80, 18,146,419.20 and 3,122,164.80 is: 4,683,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,612.80 : 18,146,419.20 = 3,122,164.80 : x
  2. Step 2: Convert to fraction form
    12,097,612.80/18,146,419.20 = 3,122,164.80/x
  3. Step 3: Cross multiply
    12,097,612.80x = 18,146,419.20 × 3,122,164.80
  4. Step 4: Simplify right side
    12,097,612.80x = 56,656,111,272,284.16
  5. Step 5: Solve for x
    x = 56,656,111,272,284.16/12,097,612.80
  6. Step 6: Final answer
    x = 4,683,247.20

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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.