Home / 10,068,701.40-15,105,239.10-3,678,943.56

Finding the Fourth Proportional to 10,068,701.40, 15,105,239.10 and 3,678,943.56

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Solution

The fourth proportional to 10,068,701.40, 15,105,239.10 and 3,678,943.56 is: 5,519,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068,701.40 : 15,105,239.10 = 3,678,943.56 : x
  2. Step 2: Convert to fraction form
    10,068,701.40/15,105,239.10 = 3,678,943.56/x
  3. Step 3: Cross multiply
    10,068,701.40x = 15,105,239.10 × 3,678,943.56
  4. Step 4: Simplify right side
    10,068,701.40x = 55,571,322,109,205.20
  5. Step 5: Solve for x
    x = 55,571,322,109,205.20/10,068,701.40
  6. Step 6: Final answer
    x = 5,519,214.44

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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.