Home / 20,776,723.10-31,165,084.65-11,210,785.10

Finding the Fourth Proportional to 20,776,723.10, 31,165,084.65 and 11,210,785.10

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Solution

The fourth proportional to 20,776,723.10, 31,165,084.65 and 11,210,785.10 is: 16,816,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,723.10 : 31,165,084.65 = 11,210,785.10 : x
  2. Step 2: Convert to fraction form
    20,776,723.10/31,165,084.65 = 11,210,785.10/x
  3. Step 3: Cross multiply
    20,776,723.10x = 31,165,084.65 × 11,210,785.10
  4. Step 4: Simplify right side
    20,776,723.10x = 349,385,066,634,458.69
  5. Step 5: Solve for x
    x = 349,385,066,634,458.69/20,776,723.10
  6. Step 6: Final answer
    x = 16,816,177.65

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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.