Home / 21,361,444.20-32,041,722.69-5,187,480.03

Finding the Fourth Proportional to 21,361,444.20, 32,041,722.69 and 5,187,480.03

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Solution

The fourth proportional to 21,361,444.20, 32,041,722.69 and 5,187,480.03 is: 7,781,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361,444.20 : 32,041,722.69 = 5,187,480.03 : x
  2. Step 2: Convert to fraction form
    21,361,444.20/32,041,722.69 = 5,187,480.03/x
  3. Step 3: Cross multiply
    21,361,444.20x = 32,041,722.69 × 5,187,480.03
  4. Step 4: Simplify right side
    21,361,444.20x = 166,215,796,581,172.91
  5. Step 5: Solve for x
    x = 166,215,796,581,172.91/21,361,444.20
  6. Step 6: Final answer
    x = 7,781,112.32

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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.