Home / 8,286,288.13-11,433,061.03-5,457,042.57

Finding the Fourth Proportional to 8,286,288.13, 11,433,061.03 and 5,457,042.57

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Solution

The fourth proportional to 8,286,288.13, 11,433,061.03 and 5,457,042.57 is: 7,529,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286,288.13 : 11,433,061.03 = 5,457,042.57 : x
  2. Step 2: Convert to fraction form
    8,286,288.13/11,433,061.03 = 5,457,042.57/x
  3. Step 3: Cross multiply
    8,286,288.13x = 11,433,061.03 × 5,457,042.57
  4. Step 4: Simplify right side
    8,286,288.13x = 62,390,700,746,118.05
  5. Step 5: Solve for x
    x = 62,390,700,746,118.05/8,286,288.13
  6. Step 6: Final answer
    x = 7,529,390.70

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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.