Home / 20,828,857.20-31,190,141.70-16,577,329.20

Finding the Fourth Proportional to 20,828,857.20, 31,190,141.70 and 16,577,329.20

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Solution

The fourth proportional to 20,828,857.20, 31,190,141.70 and 16,577,329.20 is: 24,823,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,828,857.20 : 31,190,141.70 = 16,577,329.20 : x
  2. Step 2: Convert to fraction form
    20,828,857.20/31,190,141.70 = 16,577,329.20/x
  3. Step 3: Cross multiply
    20,828,857.20x = 31,190,141.70 × 16,577,329.20
  4. Step 4: Simplify right side
    20,828,857.20x = 517,049,246,755,547.62
  5. Step 5: Solve for x
    x = 517,049,246,755,547.62/20,828,857.20
  6. Step 6: Final answer
    x = 24,823,697.32

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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.