Home / 20,922,838.30-31,384,257.45-6,546,030.72

Finding the Fourth Proportional to 20,922,838.30, 31,384,257.45 and 6,546,030.72

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Solution

The fourth proportional to 20,922,838.30, 31,384,257.45 and 6,546,030.72 is: 9,819,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,838.30 : 31,384,257.45 = 6,546,030.72 : x
  2. Step 2: Convert to fraction form
    20,922,838.30/31,384,257.45 = 6,546,030.72/x
  3. Step 3: Cross multiply
    20,922,838.30x = 31,384,257.45 × 6,546,030.72
  4. Step 4: Simplify right side
    20,922,838.30x = 205,442,313,392,088.84
  5. Step 5: Solve for x
    x = 205,442,313,392,088.84/20,922,838.30
  6. Step 6: Final answer
    x = 9,819,046.08

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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.