Home / 13,200,305.91-18,217,264.05-7,399,089.15

Finding the Fourth Proportional to 13,200,305.91, 18,217,264.05 and 7,399,089.15

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Solution

The fourth proportional to 13,200,305.91, 18,217,264.05 and 7,399,089.15 is: 10,211,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,305.91 : 18,217,264.05 = 7,399,089.15 : x
  2. Step 2: Convert to fraction form
    13,200,305.91/18,217,264.05 = 7,399,089.15/x
  3. Step 3: Cross multiply
    13,200,305.91x = 18,217,264.05 × 7,399,089.15
  4. Step 4: Simplify right side
    13,200,305.91x = 134,791,160,775,040.06
  5. Step 5: Solve for x
    x = 134,791,160,775,040.06/13,200,305.91
  6. Step 6: Final answer
    x = 10,211,214.93

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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.