Home / 10,646,394.60-15,963,759.90-5,243,163.24

Finding the Fourth Proportional to 10,646,394.60, 15,963,759.90 and 5,243,163.24

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Solution

The fourth proportional to 10,646,394.60, 15,963,759.90 and 5,243,163.24 is: 7,861,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646,394.60 : 15,963,759.90 = 5,243,163.24 : x
  2. Step 2: Convert to fraction form
    10,646,394.60/15,963,759.90 = 5,243,163.24/x
  3. Step 3: Cross multiply
    10,646,394.60x = 15,963,759.90 × 5,243,163.24
  4. Step 4: Simplify right side
    10,646,394.60x = 83,700,599,079,866.08
  5. Step 5: Solve for x
    x = 83,700,599,079,866.08/10,646,394.60
  6. Step 6: Final answer
    x = 7,861,872.70

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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.