Home / 12,789,275.04-17,649,323.28-6,988,056.48

Finding the Fourth Proportional to 12,789,275.04, 17,649,323.28 and 6,988,056.48

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Solution

The fourth proportional to 12,789,275.04, 17,649,323.28 and 6,988,056.48 is: 9,643,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,275.04 : 17,649,323.28 = 6,988,056.48 : x
  2. Step 2: Convert to fraction form
    12,789,275.04/17,649,323.28 = 6,988,056.48/x
  3. Step 3: Cross multiply
    12,789,275.04x = 17,649,323.28 × 6,988,056.48
  4. Step 4: Simplify right side
    12,789,275.04x = 123,334,467,914,418.88
  5. Step 5: Solve for x
    x = 123,334,467,914,418.88/12,789,275.04
  6. Step 6: Final answer
    x = 9,643,585.55

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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.