Home / 10,140,612.90-13,994,732.39-5,728,808.38

Finding the Fourth Proportional to 10,140,612.90, 13,994,732.39 and 5,728,808.38

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Solution

The fourth proportional to 10,140,612.90, 13,994,732.39 and 5,728,808.38 is: 7,906,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140,612.90 : 13,994,732.39 = 5,728,808.38 : x
  2. Step 2: Convert to fraction form
    10,140,612.90/13,994,732.39 = 5,728,808.38/x
  3. Step 3: Cross multiply
    10,140,612.90x = 13,994,732.39 × 5,728,808.38
  4. Step 4: Simplify right side
    10,140,612.90x = 80,173,140,162,353.38
  5. Step 5: Solve for x
    x = 80,173,140,162,353.38/10,140,612.90
  6. Step 6: Final answer
    x = 7,906,143.44

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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.