Home / 21,994,934.40-30,352,212-12,205,805.76

Finding the Fourth Proportional to 21,994,934.40, 30,352,212 and 12,205,805.76

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Solution

The fourth proportional to 21,994,934.40, 30,352,212 and 12,205,805.76 is: 16,843,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994,934.40 : 30,352,212 = 12,205,805.76 : x
  2. Step 2: Convert to fraction form
    21,994,934.40/30,352,212 = 12,205,805.76/x
  3. Step 3: Cross multiply
    21,994,934.40x = 30,352,212 × 12,205,805.76
  4. Step 4: Simplify right side
    21,994,934.40x = 370,473,204,058,341.12
  5. Step 5: Solve for x
    x = 370,473,204,058,341.12/21,994,934.40
  6. Step 6: Final answer
    x = 16,843,569.40

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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.