Home / 16,688,865.78-25,036,124.78-5,756,086.80

Finding the Fourth Proportional to 16,688,865.78, 25,036,124.78 and 5,756,086.80

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Solution

The fourth proportional to 16,688,865.78, 25,036,124.78 and 5,756,086.80 is: 8,635,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688,865.78 : 25,036,124.78 = 5,756,086.80 : x
  2. Step 2: Convert to fraction form
    16,688,865.78/25,036,124.78 = 5,756,086.80/x
  3. Step 3: Cross multiply
    16,688,865.78x = 25,036,124.78 × 5,756,086.80
  4. Step 4: Simplify right side
    16,688,865.78x = 144,110,107,369,310.91
  5. Step 5: Solve for x
    x = 144,110,107,369,310.91/16,688,865.78
  6. Step 6: Final answer
    x = 8,635,104.94

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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.