Home / 20,236,206.13-27,927,573.18-12,897,333.97

Finding the Fourth Proportional to 20,236,206.13, 27,927,573.18 and 12,897,333.97

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Solution

The fourth proportional to 20,236,206.13, 27,927,573.18 and 12,897,333.97 is: 17,799,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,206.13 : 27,927,573.18 = 12,897,333.97 : x
  2. Step 2: Convert to fraction form
    20,236,206.13/27,927,573.18 = 12,897,333.97/x
  3. Step 3: Cross multiply
    20,236,206.13x = 27,927,573.18 × 12,897,333.97
  4. Step 4: Simplify right side
    20,236,206.13x = 360,191,238,274,074.94
  5. Step 5: Solve for x
    x = 360,191,238,274,074.94/20,236,206.13
  6. Step 6: Final answer
    x = 17,799,346.18

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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.