Home / 15,035,492.28-20,748,979.28-8,159,974.32

Finding the Fourth Proportional to 15,035,492.28, 20,748,979.28 and 8,159,974.32

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Solution

The fourth proportional to 15,035,492.28, 20,748,979.28 and 8,159,974.32 is: 11,260,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,492.28 : 20,748,979.28 = 8,159,974.32 : x
  2. Step 2: Convert to fraction form
    15,035,492.28/20,748,979.28 = 8,159,974.32/x
  3. Step 3: Cross multiply
    15,035,492.28x = 20,748,979.28 × 8,159,974.32
  4. Step 4: Simplify right side
    15,035,492.28x = 169,311,138,091,012.09
  5. Step 5: Solve for x
    x = 169,311,138,091,012.09/15,035,492.28
  6. Step 6: Final answer
    x = 11,260,764.53

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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.