Home / 19,679,628.62-27,158,064.28-10,859,472.20

Finding the Fourth Proportional to 19,679,628.62, 27,158,064.28 and 10,859,472.20

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Solution

The fourth proportional to 19,679,628.62, 27,158,064.28 and 10,859,472.20 is: 14,986,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679,628.62 : 27,158,064.28 = 10,859,472.20 : x
  2. Step 2: Convert to fraction form
    19,679,628.62/27,158,064.28 = 10,859,472.20/x
  3. Step 3: Cross multiply
    19,679,628.62x = 27,158,064.28 × 10,859,472.20
  4. Step 4: Simplify right side
    19,679,628.62x = 294,922,244,054,473
  5. Step 5: Solve for x
    x = 294,922,244,054,473/19,679,628.62
  6. Step 6: Final answer
    x = 14,986,169.19

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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.