Home / 9,987,640.72-14,938,182.29-5,879,170.45

Finding the Fourth Proportional to 9,987,640.72, 14,938,182.29 and 5,879,170.45

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Solution

The fourth proportional to 9,987,640.72, 14,938,182.29 and 5,879,170.45 is: 8,793,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,640.72 : 14,938,182.29 = 5,879,170.45 : x
  2. Step 2: Convert to fraction form
    9,987,640.72/14,938,182.29 = 5,879,170.45/x
  3. Step 3: Cross multiply
    9,987,640.72x = 14,938,182.29 × 5,879,170.45
  4. Step 4: Simplify right side
    9,987,640.72x = 87,824,119,896,081.33
  5. Step 5: Solve for x
    x = 87,824,119,896,081.33/9,987,640.72
  6. Step 6: Final answer
    x = 8,793,279.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.