Home / 8,486,975.52-11,712,278.88-5,225,672.16

Finding the Fourth Proportional to 8,486,975.52, 11,712,278.88 and 5,225,672.16

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Solution

The fourth proportional to 8,486,975.52, 11,712,278.88 and 5,225,672.16 is: 7,211,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486,975.52 : 11,712,278.88 = 5,225,672.16 : x
  2. Step 2: Convert to fraction form
    8,486,975.52/11,712,278.88 = 5,225,672.16/x
  3. Step 3: Cross multiply
    8,486,975.52x = 11,712,278.88 × 5,225,672.16
  4. Step 4: Simplify right side
    8,486,975.52x = 61,204,529,673,371.98
  5. Step 5: Solve for x
    x = 61,204,529,673,371.98/8,486,975.52
  6. Step 6: Final answer
    x = 7,211,583.15

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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.