Home / 14,272,861.78-19,696,568.61-7,746,491.44

Finding the Fourth Proportional to 14,272,861.78, 19,696,568.61 and 7,746,491.44

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Solution

The fourth proportional to 14,272,861.78, 19,696,568.61 and 7,746,491.44 is: 10,690,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,861.78 : 19,696,568.61 = 7,746,491.44 : x
  2. Step 2: Convert to fraction form
    14,272,861.78/19,696,568.61 = 7,746,491.44/x
  3. Step 3: Cross multiply
    14,272,861.78x = 19,696,568.61 × 7,746,491.44
  4. Step 4: Simplify right side
    14,272,861.78x = 152,579,300,134,737.69
  5. Step 5: Solve for x
    x = 152,579,300,134,737.69/14,272,861.78
  6. Step 6: Final answer
    x = 10,690,168.69

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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.