Home / 15,113,329.10-20,856,399.75-8,586,967.13

Finding the Fourth Proportional to 15,113,329.10, 20,856,399.75 and 8,586,967.13

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Solution

The fourth proportional to 15,113,329.10, 20,856,399.75 and 8,586,967.13 is: 11,850,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113,329.10 : 20,856,399.75 = 8,586,967.13 : x
  2. Step 2: Convert to fraction form
    15,113,329.10/20,856,399.75 = 8,586,967.13/x
  3. Step 3: Cross multiply
    15,113,329.10x = 20,856,399.75 × 8,586,967.13
  4. Step 4: Simplify right side
    15,113,329.10x = 179,093,218,999,108.22
  5. Step 5: Solve for x
    x = 179,093,218,999,108.22/15,113,329.10
  6. Step 6: Final answer
    x = 11,850,017.81

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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.