Home / 15,117,594.15-20,861,381.07-8,590,317.69

Finding the Fourth Proportional to 15,117,594.15, 20,861,381.07 and 8,590,317.69

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Solution

The fourth proportional to 15,117,594.15, 20,861,381.07 and 8,590,317.69 is: 11,854,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117,594.15 : 20,861,381.07 = 8,590,317.69 : x
  2. Step 2: Convert to fraction form
    15,117,594.15/20,861,381.07 = 8,590,317.69/x
  3. Step 3: Cross multiply
    15,117,594.15x = 20,861,381.07 × 8,590,317.69
  4. Step 4: Simplify right side
    15,117,594.15x = 179,205,890,843,452.12
  5. Step 5: Solve for x
    x = 179,205,890,843,452.12/15,117,594.15
  6. Step 6: Final answer
    x = 11,854,127.65

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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.