Home / 7,086,521.60-10,629,782.40-6,899,897.60

Finding the Fourth Proportional to 7,086,521.60, 10,629,782.40 and 6,899,897.60

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Solution

The fourth proportional to 7,086,521.60, 10,629,782.40 and 6,899,897.60 is: 10,349,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,521.60 : 10,629,782.40 = 6,899,897.60 : x
  2. Step 2: Convert to fraction form
    7,086,521.60/10,629,782.40 = 6,899,897.60/x
  3. Step 3: Cross multiply
    7,086,521.60x = 10,629,782.40 × 6,899,897.60
  4. Step 4: Simplify right side
    7,086,521.60x = 73,344,410,070,282.23
  5. Step 5: Solve for x
    x = 73,344,410,070,282.23/7,086,521.60
  6. Step 6: Final answer
    x = 10,349,846.40

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Double scale
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Similar ratio
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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.