Home / 21,002,964.50-31,504,447.02-5,046,612.50

Finding the Fourth Proportional to 21,002,964.50, 31,504,447.02 and 5,046,612.50

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Solution

The fourth proportional to 21,002,964.50, 31,504,447.02 and 5,046,612.50 is: 7,569,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,964.50 : 31,504,447.02 = 5,046,612.50 : x
  2. Step 2: Convert to fraction form
    21,002,964.50/31,504,447.02 = 5,046,612.50/x
  3. Step 3: Cross multiply
    21,002,964.50x = 31,504,447.02 × 5,046,612.50
  4. Step 4: Simplify right side
    21,002,964.50x = 158,990,736,136,719.75
  5. Step 5: Solve for x
    x = 158,990,736,136,719.75/21,002,964.50
  6. Step 6: Final answer
    x = 7,569,918.81

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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.