Home / 16,821,036.90-25,231,555.35-13,831,681.28

Finding the Fourth Proportional to 16,821,036.90, 25,231,555.35 and 13,831,681.28

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Solution

The fourth proportional to 16,821,036.90, 25,231,555.35 and 13,831,681.28 is: 20,747,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,036.90 : 25,231,555.35 = 13,831,681.28 : x
  2. Step 2: Convert to fraction form
    16,821,036.90/25,231,555.35 = 13,831,681.28/x
  3. Step 3: Cross multiply
    16,821,036.90x = 25,231,555.35 × 13,831,681.28
  4. Step 4: Simplify right side
    16,821,036.90x = 348,994,831,673,721.12
  5. Step 5: Solve for x
    x = 348,994,831,673,721.12/16,821,036.90
  6. Step 6: Final answer
    x = 20,747,521.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.