Home / 11,178,121.80-16,746,515.55-6,371,533.20

Finding the Fourth Proportional to 11,178,121.80, 16,746,515.55 and 6,371,533.20

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Solution

The fourth proportional to 11,178,121.80, 16,746,515.55 and 6,371,533.20 is: 9,545,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,121.80 : 16,746,515.55 = 6,371,533.20 : x
  2. Step 2: Convert to fraction form
    11,178,121.80/16,746,515.55 = 6,371,533.20/x
  3. Step 3: Cross multiply
    11,178,121.80x = 16,746,515.55 × 6,371,533.20
  4. Step 4: Simplify right side
    11,178,121.80x = 106,700,979,811,141.27
  5. Step 5: Solve for x
    x = 106,700,979,811,141.27/11,178,121.80
  6. Step 6: Final answer
    x = 9,545,519.52

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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.