Home / 21,243,058.85-29,310,382.36-12,074,979.89

Finding the Fourth Proportional to 21,243,058.85, 29,310,382.36 and 12,074,979.89

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Solution

The fourth proportional to 21,243,058.85, 29,310,382.36 and 12,074,979.89 is: 16,660,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,243,058.85 : 29,310,382.36 = 12,074,979.89 : x
  2. Step 2: Convert to fraction form
    21,243,058.85/29,310,382.36 = 12,074,979.89/x
  3. Step 3: Cross multiply
    21,243,058.85x = 29,310,382.36 × 12,074,979.89
  4. Step 4: Simplify right side
    21,243,058.85x = 353,922,277,565,210.75
  5. Step 5: Solve for x
    x = 353,922,277,565,210.75/21,243,058.85
  6. Step 6: Final answer
    x = 16,660,608.06

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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.