Home / 9,290,531.76-12,820,933.82-5,216,238.24

Finding the Fourth Proportional to 9,290,531.76, 12,820,933.82 and 5,216,238.24

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Solution

The fourth proportional to 9,290,531.76, 12,820,933.82 and 5,216,238.24 is: 7,198,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,531.76 : 12,820,933.82 = 5,216,238.24 : x
  2. Step 2: Convert to fraction form
    9,290,531.76/12,820,933.82 = 5,216,238.24/x
  3. Step 3: Cross multiply
    9,290,531.76x = 12,820,933.82 × 5,216,238.24
  4. Step 4: Simplify right side
    9,290,531.76x = 66,877,045,264,393.28
  5. Step 5: Solve for x
    x = 66,877,045,264,393.28/9,290,531.76
  6. Step 6: Final answer
    x = 7,198,408.77

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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.