Home / 21,806,118.96-30,092,643.12-12,016,914.40

Finding the Fourth Proportional to 21,806,118.96, 30,092,643.12 and 12,016,914.40

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Solution

The fourth proportional to 21,806,118.96, 30,092,643.12 and 12,016,914.40 is: 16,583,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,118.96 : 30,092,643.12 = 12,016,914.40 : x
  2. Step 2: Convert to fraction form
    21,806,118.96/30,092,643.12 = 12,016,914.40/x
  3. Step 3: Cross multiply
    21,806,118.96x = 30,092,643.12 × 12,016,914.40
  4. Step 4: Simplify right side
    21,806,118.96x = 361,620,716,442,788.94
  5. Step 5: Solve for x
    x = 361,620,716,442,788.94/21,806,118.96
  6. Step 6: Final answer
    x = 16,583,451.51

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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.