Home / 20,456,863.31-28,231,130.04-11,636,088.36

Finding the Fourth Proportional to 20,456,863.31, 28,231,130.04 and 11,636,088.36

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Solution

The fourth proportional to 20,456,863.31, 28,231,130.04 and 11,636,088.36 is: 16,058,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,456,863.31 : 28,231,130.04 = 11,636,088.36 : x
  2. Step 2: Convert to fraction form
    20,456,863.31/28,231,130.04 = 11,636,088.36/x
  3. Step 3: Cross multiply
    20,456,863.31x = 28,231,130.04 × 11,636,088.36
  4. Step 4: Simplify right side
    20,456,863.31x = 328,499,923,648,090.31
  5. Step 5: Solve for x
    x = 328,499,923,648,090.31/20,456,863.31
  6. Step 6: Final answer
    x = 16,058,176.60

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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.