Home / 15,439,623.67-21,309,236.09-8,566,320.07

Finding the Fourth Proportional to 15,439,623.67, 21,309,236.09 and 8,566,320.07

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Solution

The fourth proportional to 15,439,623.67, 21,309,236.09 and 8,566,320.07 is: 11,822,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439,623.67 : 21,309,236.09 = 8,566,320.07 : x
  2. Step 2: Convert to fraction form
    15,439,623.67/21,309,236.09 = 8,566,320.07/x
  3. Step 3: Cross multiply
    15,439,623.67x = 21,309,236.09 × 8,566,320.07
  4. Step 4: Simplify right side
    15,439,623.67x = 182,541,736,751,303.75
  5. Step 5: Solve for x
    x = 182,541,736,751,303.75/15,439,623.67
  6. Step 6: Final answer
    x = 11,822,939.51

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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.