Home / 12,777,528.78-19,146,899.88-9,368,085.06

Finding the Fourth Proportional to 12,777,528.78, 19,146,899.88 and 9,368,085.06

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Solution

The fourth proportional to 12,777,528.78, 19,146,899.88 and 9,368,085.06 is: 14,037,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,528.78 : 19,146,899.88 = 9,368,085.06 : x
  2. Step 2: Convert to fraction form
    12,777,528.78/19,146,899.88 = 9,368,085.06/x
  3. Step 3: Cross multiply
    12,777,528.78x = 19,146,899.88 × 9,368,085.06
  4. Step 4: Simplify right side
    12,777,528.78x = 179,369,786,711,143.78
  5. Step 5: Solve for x
    x = 179,369,786,711,143.78/12,777,528.78
  6. Step 6: Final answer
    x = 14,037,909.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.