Home / 21,099,946.84-31,649,574.40-6,722,819.32

Finding the Fourth Proportional to 21,099,946.84, 31,649,574.40 and 6,722,819.32

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Solution

The fourth proportional to 21,099,946.84, 31,649,574.40 and 6,722,819.32 is: 10,084,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,099,946.84 : 31,649,574.40 = 6,722,819.32 : x
  2. Step 2: Convert to fraction form
    21,099,946.84/31,649,574.40 = 6,722,819.32/x
  3. Step 3: Cross multiply
    21,099,946.84x = 31,649,574.40 × 6,722,819.32
  4. Step 4: Simplify right side
    21,099,946.84x = 212,774,370,246,097.41
  5. Step 5: Solve for x
    x = 212,774,370,246,097.41/21,099,946.84
  6. Step 6: Final answer
    x = 10,084,118.78

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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.