Home / 21,175,470.95-29,228,409.18-12,476,454.35

Finding the Fourth Proportional to 21,175,470.95, 29,228,409.18 and 12,476,454.35

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Solution

The fourth proportional to 21,175,470.95, 29,228,409.18 and 12,476,454.35 is: 17,221,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175,470.95 : 29,228,409.18 = 12,476,454.35 : x
  2. Step 2: Convert to fraction form
    21,175,470.95/29,228,409.18 = 12,476,454.35/x
  3. Step 3: Cross multiply
    21,175,470.95x = 29,228,409.18 × 12,476,454.35
  4. Step 4: Simplify right side
    21,175,470.95x = 364,666,912,795,008.69
  5. Step 5: Solve for x
    x = 364,666,912,795,008.69/21,175,470.95
  6. Step 6: Final answer
    x = 17,221,194.92

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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.