Home / 21,677,518.80-29,912,226.54-11,885,386.26

Finding the Fourth Proportional to 21,677,518.80, 29,912,226.54 and 11,885,386.26

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Solution

The fourth proportional to 21,677,518.80, 29,912,226.54 and 11,885,386.26 is: 16,400,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677,518.80 : 29,912,226.54 = 11,885,386.26 : x
  2. Step 2: Convert to fraction form
    21,677,518.80/29,912,226.54 = 11,885,386.26/x
  3. Step 3: Cross multiply
    21,677,518.80x = 29,912,226.54 × 11,885,386.26
  4. Step 4: Simplify right side
    21,677,518.80x = 355,518,366,324,523.31
  5. Step 5: Solve for x
    x = 355,518,366,324,523.31/21,677,518.80
  6. Step 6: Final answer
    x = 16,400,325.59

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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.