Home / 10,689,129.40-16,033,694.10-2,602,040.80

Finding the Fourth Proportional to 10,689,129.40, 16,033,694.10 and 2,602,040.80

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Solution

The fourth proportional to 10,689,129.40, 16,033,694.10 and 2,602,040.80 is: 3,903,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689,129.40 : 16,033,694.10 = 2,602,040.80 : x
  2. Step 2: Convert to fraction form
    10,689,129.40/16,033,694.10 = 2,602,040.80/x
  3. Step 3: Cross multiply
    10,689,129.40x = 16,033,694.10 × 2,602,040.80
  4. Step 4: Simplify right side
    10,689,129.40x = 41,720,326,222,919.27
  5. Step 5: Solve for x
    x = 41,720,326,222,919.27/10,689,129.40
  6. Step 6: Final answer
    x = 3,903,061.20

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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.