Home / 7,715,258.50-11,550,185.22-5,150,110.90

Finding the Fourth Proportional to 7,715,258.50, 11,550,185.22 and 5,150,110.90

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Solution

The fourth proportional to 7,715,258.50, 11,550,185.22 and 5,150,110.90 is: 7,710,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,258.50 : 11,550,185.22 = 5,150,110.90 : x
  2. Step 2: Convert to fraction form
    7,715,258.50/11,550,185.22 = 5,150,110.90/x
  3. Step 3: Cross multiply
    7,715,258.50x = 11,550,185.22 × 5,150,110.90
  4. Step 4: Simplify right side
    7,715,258.50x = 59,484,734,798,540.91
  5. Step 5: Solve for x
    x = 59,484,734,798,540.91/7,715,258.50
  6. Step 6: Final answer
    x = 7,710,011.89

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1.5x scale

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.