Home / 21,272,893.80-31,872,015.90-17,465,764.20

Finding the Fourth Proportional to 21,272,893.80, 31,872,015.90 and 17,465,764.20

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Solution

The fourth proportional to 21,272,893.80, 31,872,015.90 and 17,465,764.20 is: 26,168,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,272,893.80 : 31,872,015.90 = 17,465,764.20 : x
  2. Step 2: Convert to fraction form
    21,272,893.80/31,872,015.90 = 17,465,764.20/x
  3. Step 3: Cross multiply
    21,272,893.80x = 31,872,015.90 × 17,465,764.20
  4. Step 4: Simplify right side
    21,272,893.80x = 556,669,114,288,050.75
  5. Step 5: Solve for x
    x = 556,669,114,288,050.75/21,272,893.80
  6. Step 6: Final answer
    x = 26,168,001.38

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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.