Home / 13,447,746.28-18,555,351.78-8,015,743.72

Finding the Fourth Proportional to 13,447,746.28, 18,555,351.78 and 8,015,743.72

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Solution

The fourth proportional to 13,447,746.28, 18,555,351.78 and 8,015,743.72 is: 11,060,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,746.28 : 18,555,351.78 = 8,015,743.72 : x
  2. Step 2: Convert to fraction form
    13,447,746.28/18,555,351.78 = 8,015,743.72/x
  3. Step 3: Cross multiply
    13,447,746.28x = 18,555,351.78 × 8,015,743.72
  4. Step 4: Simplify right side
    13,447,746.28x = 148,734,944,502,925.81
  5. Step 5: Solve for x
    x = 148,734,944,502,925.81/13,447,746.28
  6. Step 6: Final answer
    x = 11,060,213.47

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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.