Home / 16,391,322.84-22,622,986.40-9,776,335.32

Finding the Fourth Proportional to 16,391,322.84, 22,622,986.40 and 9,776,335.32

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Solution

The fourth proportional to 16,391,322.84, 22,622,986.40 and 9,776,335.32 is: 13,493,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,322.84 : 22,622,986.40 = 9,776,335.32 : x
  2. Step 2: Convert to fraction form
    16,391,322.84/22,622,986.40 = 9,776,335.32/x
  3. Step 3: Cross multiply
    16,391,322.84x = 22,622,986.40 × 9,776,335.32
  4. Step 4: Simplify right side
    16,391,322.84x = 221,169,900,937,317.97
  5. Step 5: Solve for x
    x = 221,169,900,937,317.97/16,391,322.84
  6. Step 6: Final answer
    x = 13,493,108.71

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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.