Home / 15,344,701.65-21,174,180.71-8,468,739.63

Finding the Fourth Proportional to 15,344,701.65, 21,174,180.71 and 8,468,739.63

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Solution

The fourth proportional to 15,344,701.65, 21,174,180.71 and 8,468,739.63 is: 11,686,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,701.65 : 21,174,180.71 = 8,468,739.63 : x
  2. Step 2: Convert to fraction form
    15,344,701.65/21,174,180.71 = 8,468,739.63/x
  3. Step 3: Cross multiply
    15,344,701.65x = 21,174,180.71 × 8,468,739.63
  4. Step 4: Simplify right side
    15,344,701.65x = 179,318,623,269,214.84
  5. Step 5: Solve for x
    x = 179,318,623,269,214.84/15,344,701.65
  6. Step 6: Final answer
    x = 11,686,028.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.