Home / 14,339,079.72-19,787,680.84-7,812,762.80

Finding the Fourth Proportional to 14,339,079.72, 19,787,680.84 and 7,812,762.80

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Solution

The fourth proportional to 14,339,079.72, 19,787,680.84 and 7,812,762.80 is: 10,781,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,079.72 : 19,787,680.84 = 7,812,762.80 : x
  2. Step 2: Convert to fraction form
    14,339,079.72/19,787,680.84 = 7,812,762.80/x
  3. Step 3: Cross multiply
    14,339,079.72x = 19,787,680.84 × 7,812,762.80
  4. Step 4: Simplify right side
    14,339,079.72x = 154,596,456,765,024.75
  5. Step 5: Solve for x
    x = 154,596,456,765,024.75/14,339,079.72
  6. Step 6: Final answer
    x = 10,781,476.90

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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.