Home / 21,971,212.80-32,956,819.20-6,829,785.60

Finding the Fourth Proportional to 21,971,212.80, 32,956,819.20 and 6,829,785.60

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Solution

The fourth proportional to 21,971,212.80, 32,956,819.20 and 6,829,785.60 is: 10,244,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971,212.80 : 32,956,819.20 = 6,829,785.60 : x
  2. Step 2: Convert to fraction form
    21,971,212.80/32,956,819.20 = 6,829,785.60/x
  3. Step 3: Cross multiply
    21,971,212.80x = 32,956,819.20 × 6,829,785.60
  4. Step 4: Simplify right side
    21,971,212.80x = 225,088,009,193,963.50
  5. Step 5: Solve for x
    x = 225,088,009,193,963.50/21,971,212.80
  6. Step 6: Final answer
    x = 10,244,678.40

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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.