Home / 12,979,552.64-17,914,030.20-7,822,920.08

Finding the Fourth Proportional to 12,979,552.64, 17,914,030.20 and 7,822,920.08

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Solution

The fourth proportional to 12,979,552.64, 17,914,030.20 and 7,822,920.08 is: 10,796,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,552.64 : 17,914,030.20 = 7,822,920.08 : x
  2. Step 2: Convert to fraction form
    12,979,552.64/17,914,030.20 = 7,822,920.08/x
  3. Step 3: Cross multiply
    12,979,552.64x = 17,914,030.20 × 7,822,920.08
  4. Step 4: Simplify right side
    12,979,552.64x = 140,140,026,565,306.41
  5. Step 5: Solve for x
    x = 140,140,026,565,306.41/12,979,552.64
  6. Step 6: Final answer
    x = 10,796,984.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.