Home / 16,391,322.59-22,622,986.05-9,776,335.07

Finding the Fourth Proportional to 16,391,322.59, 22,622,986.05 and 9,776,335.07

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Solution

The fourth proportional to 16,391,322.59, 22,622,986.05 and 9,776,335.07 is: 13,493,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,322.59 : 22,622,986.05 = 9,776,335.07 : x
  2. Step 2: Convert to fraction form
    16,391,322.59/22,622,986.05 = 9,776,335.07/x
  3. Step 3: Cross multiply
    16,391,322.59x = 22,622,986.05 × 9,776,335.07
  4. Step 4: Simplify right side
    16,391,322.59x = 221,169,891,908,735.78
  5. Step 5: Solve for x
    x = 221,169,891,908,735.78/16,391,322.59
  6. Step 6: Final answer
    x = 13,493,108.37

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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.