Home / 14,278,851.24-21,426,785.10-5,181,658.22

Finding the Fourth Proportional to 14,278,851.24, 21,426,785.10 and 5,181,658.22

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Solution

The fourth proportional to 14,278,851.24, 21,426,785.10 and 5,181,658.22 is: 7,775,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,851.24 : 21,426,785.10 = 5,181,658.22 : x
  2. Step 2: Convert to fraction form
    14,278,851.24/21,426,785.10 = 5,181,658.22/x
  3. Step 3: Cross multiply
    14,278,851.24x = 21,426,785.10 × 5,181,658.22
  4. Step 4: Simplify right side
    14,278,851.24x = 111,026,277,141,588.53
  5. Step 5: Solve for x
    x = 111,026,277,141,588.53/14,278,851.24
  6. Step 6: Final answer
    x = 7,775,574.89

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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.