Home / 21,806,113.72-30,092,635.92-12,016,909.12

Finding the Fourth Proportional to 21,806,113.72, 30,092,635.92 and 12,016,909.12

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Solution

The fourth proportional to 21,806,113.72, 30,092,635.92 and 12,016,909.12 is: 16,583,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,113.72 : 30,092,635.92 = 12,016,909.12 : x
  2. Step 2: Convert to fraction form
    21,806,113.72/30,092,635.92 = 12,016,909.12/x
  3. Step 3: Cross multiply
    21,806,113.72x = 30,092,635.92 × 12,016,909.12
  4. Step 4: Simplify right side
    21,806,113.72x = 361,620,471,031,887.56
  5. Step 5: Solve for x
    x = 361,620,471,031,887.56/21,806,113.72
  6. Step 6: Final answer
    x = 16,583,444.24

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1.5x scale

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.