Home / 21,308,711.79-31,964,208.79-6,734,522.33

Finding the Fourth Proportional to 21,308,711.79, 31,964,208.79 and 6,734,522.33

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Solution

The fourth proportional to 21,308,711.79, 31,964,208.79 and 6,734,522.33 is: 10,102,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,711.79 : 31,964,208.79 = 6,734,522.33 : x
  2. Step 2: Convert to fraction form
    21,308,711.79/31,964,208.79 = 6,734,522.33/x
  3. Step 3: Cross multiply
    21,308,711.79x = 31,964,208.79 × 6,734,522.33
  4. Step 4: Simplify right side
    21,308,711.79x = 215,263,677,704,029.41
  5. Step 5: Solve for x
    x = 215,263,677,704,029.41/21,308,711.79
  6. Step 6: Final answer
    x = 10,102,144.13

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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.