Home / 21,573,023.39-32,355,170.80-7,921,484.27

Finding the Fourth Proportional to 21,573,023.39, 32,355,170.80 and 7,921,484.27

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Solution

The fourth proportional to 21,573,023.39, 32,355,170.80 and 7,921,484.27 is: 11,880,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573,023.39 : 32,355,170.80 = 7,921,484.27 : x
  2. Step 2: Convert to fraction form
    21,573,023.39/32,355,170.80 = 7,921,484.27/x
  3. Step 3: Cross multiply
    21,573,023.39x = 32,355,170.80 × 7,921,484.27
  4. Step 4: Simplify right side
    21,573,023.39x = 256,300,976,545,363.31
  5. Step 5: Solve for x
    x = 256,300,976,545,363.31/21,573,023.39
  6. Step 6: Final answer
    x = 11,880,623.87

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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.