Home / 15,039,491.52-20,674,694.04-12,938,659.32

Finding the Fourth Proportional to 15,039,491.52, 20,674,694.04 and 12,938,659.32

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Solution

The fourth proportional to 15,039,491.52, 20,674,694.04 and 12,938,659.32 is: 17,786,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039,491.52 : 20,674,694.04 = 12,938,659.32 : x
  2. Step 2: Convert to fraction form
    15,039,491.52/20,674,694.04 = 12,938,659.32/x
  3. Step 3: Cross multiply
    15,039,491.52x = 20,674,694.04 × 12,938,659.32
  4. Step 4: Simplify right side
    15,039,491.52x = 267,502,822,728,794.44
  5. Step 5: Solve for x
    x = 267,502,822,728,794.44/15,039,491.52
  6. Step 6: Final answer
    x = 17,786,693.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.