Home / 10,828,522.20-16,242,783.30-6,718,711.80

Finding the Fourth Proportional to 10,828,522.20, 16,242,783.30 and 6,718,711.80

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Solution

The fourth proportional to 10,828,522.20, 16,242,783.30 and 6,718,711.80 is: 10,078,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828,522.20 : 16,242,783.30 = 6,718,711.80 : x
  2. Step 2: Convert to fraction form
    10,828,522.20/16,242,783.30 = 6,718,711.80/x
  3. Step 3: Cross multiply
    10,828,522.20x = 16,242,783.30 × 6,718,711.80
  4. Step 4: Simplify right side
    10,828,522.20x = 109,130,579,822,552.94
  5. Step 5: Solve for x
    x = 109,130,579,822,552.94/10,828,522.20
  6. Step 6: Final answer
    x = 10,078,067.70

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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.