Home / 19,259,406.92-26,575,143.12-11,711,680.72

Finding the Fourth Proportional to 19,259,406.92, 26,575,143.12 and 11,711,680.72

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Solution

The fourth proportional to 19,259,406.92, 26,575,143.12 and 11,711,680.72 is: 16,160,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259,406.92 : 26,575,143.12 = 11,711,680.72 : x
  2. Step 2: Convert to fraction form
    19,259,406.92/26,575,143.12 = 11,711,680.72/x
  3. Step 3: Cross multiply
    19,259,406.92x = 26,575,143.12 × 11,711,680.72
  4. Step 4: Simplify right side
    19,259,406.92x = 311,239,591,243,306.81
  5. Step 5: Solve for x
    x = 311,239,591,243,306.81/19,259,406.92
  6. Step 6: Final answer
    x = 16,160,393.33

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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.