Home / 15,039,492.52-20,674,695.41-12,938,660.32

Finding the Fourth Proportional to 15,039,492.52, 20,674,695.41 and 12,938,660.32

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Solution

The fourth proportional to 15,039,492.52, 20,674,695.41 and 12,938,660.32 is: 17,786,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039,492.52 : 20,674,695.41 = 12,938,660.32 : x
  2. Step 2: Convert to fraction form
    15,039,492.52/20,674,695.41 = 12,938,660.32/x
  3. Step 3: Cross multiply
    15,039,492.52x = 20,674,695.41 × 12,938,660.32
  4. Step 4: Simplify right side
    15,039,492.52x = 267,502,861,129,453.12
  5. Step 5: Solve for x
    x = 267,502,861,129,453.12/15,039,492.52
  6. Step 6: Final answer
    x = 17,786,694.65

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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.