Home / 19,870,065.48-27,420,934.14-12,029,471.22

Finding the Fourth Proportional to 19,870,065.48, 27,420,934.14 and 12,029,471.22

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Solution

The fourth proportional to 19,870,065.48, 27,420,934.14 and 12,029,471.22 is: 16,600,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870,065.48 : 27,420,934.14 = 12,029,471.22 : x
  2. Step 2: Convert to fraction form
    19,870,065.48/27,420,934.14 = 12,029,471.22/x
  3. Step 3: Cross multiply
    19,870,065.48x = 27,420,934.14 × 12,029,471.22
  4. Step 4: Simplify right side
    19,870,065.48x = 329,859,338,062,645.50
  5. Step 5: Solve for x
    x = 329,859,338,062,645.50/19,870,065.48
  6. Step 6: Final answer
    x = 16,600,817.87

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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.