Home / 21,197,823.60-31,796,735.40-10,580,991.60

Finding the Fourth Proportional to 21,197,823.60, 31,796,735.40 and 10,580,991.60

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Solution

The fourth proportional to 21,197,823.60, 31,796,735.40 and 10,580,991.60 is: 15,871,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197,823.60 : 31,796,735.40 = 10,580,991.60 : x
  2. Step 2: Convert to fraction form
    21,197,823.60/31,796,735.40 = 10,580,991.60/x
  3. Step 3: Cross multiply
    21,197,823.60x = 31,796,735.40 × 10,580,991.60
  4. Step 4: Simplify right side
    21,197,823.60x = 336,440,990,174,822.62
  5. Step 5: Solve for x
    x = 336,440,990,174,822.62/21,197,823.60
  6. Step 6: Final answer
    x = 15,871,487.40

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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.