Home / 14,405,715.28-19,880,360.46-7,879,344.52

Finding the Fourth Proportional to 14,405,715.28, 19,880,360.46 and 7,879,344.52

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Solution

The fourth proportional to 14,405,715.28, 19,880,360.46 and 7,879,344.52 is: 10,873,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405,715.28 : 19,880,360.46 = 7,879,344.52 : x
  2. Step 2: Convert to fraction form
    14,405,715.28/19,880,360.46 = 7,879,344.52/x
  3. Step 3: Cross multiply
    14,405,715.28x = 19,880,360.46 × 7,879,344.52
  4. Step 4: Simplify right side
    14,405,715.28x = 156,644,209,246,125.69
  5. Step 5: Solve for x
    x = 156,644,209,246,125.69/14,405,715.28
  6. Step 6: Final answer
    x = 10,873,754.35

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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.