Home / 10,380,136.30-15,570,204.45-4,312,851.55

Finding the Fourth Proportional to 10,380,136.30, 15,570,204.45 and 4,312,851.55

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Solution

The fourth proportional to 10,380,136.30, 15,570,204.45 and 4,312,851.55 is: 6,469,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,136.30 : 15,570,204.45 = 4,312,851.55 : x
  2. Step 2: Convert to fraction form
    10,380,136.30/15,570,204.45 = 4,312,851.55/x
  3. Step 3: Cross multiply
    10,380,136.30x = 15,570,204.45 × 4,312,851.55
  4. Step 4: Simplify right side
    10,380,136.30x = 67,151,980,395,999.39
  5. Step 5: Solve for x
    x = 67,151,980,395,999.39/10,380,136.30
  6. Step 6: Final answer
    x = 6,469,277.33

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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.