Home / 12,072,292.80-18,102,218.40-4,495,358.40

Finding the Fourth Proportional to 12,072,292.80, 18,102,218.40 and 4,495,358.40

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Solution

The fourth proportional to 12,072,292.80, 18,102,218.40 and 4,495,358.40 is: 6,740,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,292.80 : 18,102,218.40 = 4,495,358.40 : x
  2. Step 2: Convert to fraction form
    12,072,292.80/18,102,218.40 = 4,495,358.40/x
  3. Step 3: Cross multiply
    12,072,292.80x = 18,102,218.40 × 4,495,358.40
  4. Step 4: Simplify right side
    12,072,292.80x = 81,375,959,543,074.56
  5. Step 5: Solve for x
    x = 81,375,959,543,074.56/12,072,292.80
  6. Step 6: Final answer
    x = 6,740,721.16

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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.