Home / 12,307,552.40-16,984,173.48-7,480,211.60

Finding the Fourth Proportional to 12,307,552.40, 16,984,173.48 and 7,480,211.60

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Solution

The fourth proportional to 12,307,552.40, 16,984,173.48 and 7,480,211.60 is: 10,322,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,552.40 : 16,984,173.48 = 7,480,211.60 : x
  2. Step 2: Convert to fraction form
    12,307,552.40/16,984,173.48 = 7,480,211.60/x
  3. Step 3: Cross multiply
    12,307,552.40x = 16,984,173.48 × 7,480,211.60
  4. Step 4: Simplify right side
    12,307,552.40x = 127,045,211,481,508.36
  5. Step 5: Solve for x
    x = 127,045,211,481,508.36/12,307,552.40
  6. Step 6: Final answer
    x = 10,322,540.77

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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.