Home / 15,841,039.12-21,856,887.30-8,965,521.16

Finding the Fourth Proportional to 15,841,039.12, 21,856,887.30 and 8,965,521.16

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Solution

The fourth proportional to 15,841,039.12, 21,856,887.30 and 8,965,521.16 is: 12,370,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841,039.12 : 21,856,887.30 = 8,965,521.16 : x
  2. Step 2: Convert to fraction form
    15,841,039.12/21,856,887.30 = 8,965,521.16/x
  3. Step 3: Cross multiply
    15,841,039.12x = 21,856,887.30 × 8,965,521.16
  4. Step 4: Simplify right side
    15,841,039.12x = 195,958,385,579,885.28
  5. Step 5: Solve for x
    x = 195,958,385,579,885.28/15,841,039.12
  6. Step 6: Final answer
    x = 12,370,298.70

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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.