Home / 21,806,106.89-30,092,626.51-12,016,902.32

Finding the Fourth Proportional to 21,806,106.89, 30,092,626.51 and 12,016,902.32

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Solution

The fourth proportional to 21,806,106.89, 30,092,626.51 and 12,016,902.32 is: 16,583,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,106.89 : 30,092,626.51 = 12,016,902.32 : x
  2. Step 2: Convert to fraction form
    21,806,106.89/30,092,626.51 = 12,016,902.32/x
  3. Step 3: Cross multiply
    21,806,106.89x = 30,092,626.51 × 12,016,902.32
  4. Step 4: Simplify right side
    21,806,106.89x = 361,620,153,142,407.12
  5. Step 5: Solve for x
    x = 361,620,153,142,407.12/21,806,106.89
  6. Step 6: Final answer
    x = 16,583,434.86

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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.