Home / 21,726,972-30,009,746.84-16,244,659.85

Finding the Fourth Proportional to 21,726,972, 30,009,746.84 and 16,244,659.85

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Solution

The fourth proportional to 21,726,972, 30,009,746.84 and 16,244,659.85 is: 22,437,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,972 : 30,009,746.84 = 16,244,659.85 : x
  2. Step 2: Convert to fraction form
    21,726,972/30,009,746.84 = 16,244,659.85/x
  3. Step 3: Cross multiply
    21,726,972x = 30,009,746.84 × 16,244,659.85
  4. Step 4: Simplify right side
    21,726,972x = 487,498,129,369,140.38
  5. Step 5: Solve for x
    x = 487,498,129,369,140.38/21,726,972
  6. Step 6: Final answer
    x = 22,437,462.95

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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.