Home / 11,558,480.40-17,342,904.60-3,990,877.20

Finding the Fourth Proportional to 11,558,480.40, 17,342,904.60 and 3,990,877.20

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Solution

The fourth proportional to 11,558,480.40, 17,342,904.60 and 3,990,877.20 is: 5,988,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558,480.40 : 17,342,904.60 = 3,990,877.20 : x
  2. Step 2: Convert to fraction form
    11,558,480.40/17,342,904.60 = 3,990,877.20/x
  3. Step 3: Cross multiply
    11,558,480.40x = 17,342,904.60 × 3,990,877.20
  4. Step 4: Simplify right side
    11,558,480.40x = 69,213,402,549,915.13
  5. Step 5: Solve for x
    x = 69,213,402,549,915.13/11,558,480.40
  6. Step 6: Final answer
    x = 5,988,105.72

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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.