Home / 21,026,691.57-29,018,290.94-11,736,074.15

Finding the Fourth Proportional to 21,026,691.57, 29,018,290.94 and 11,736,074.15

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Solution

The fourth proportional to 21,026,691.57, 29,018,290.94 and 11,736,074.15 is: 16,196,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,691.57 : 29,018,290.94 = 11,736,074.15 : x
  2. Step 2: Convert to fraction form
    21,026,691.57/29,018,290.94 = 11,736,074.15/x
  3. Step 3: Cross multiply
    21,026,691.57x = 29,018,290.94 × 11,736,074.15
  4. Step 4: Simplify right side
    21,026,691.57x = 340,560,813,974,341.38
  5. Step 5: Solve for x
    x = 340,560,813,974,341.38/21,026,691.57
  6. Step 6: Final answer
    x = 16,196,595.31

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1.5x scale

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.