Home / 10,104,130.72-13,942,972.56-5,519,478.88

Finding the Fourth Proportional to 10,104,130.72, 13,942,972.56 and 5,519,478.88

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Solution

The fourth proportional to 10,104,130.72, 13,942,972.56 and 5,519,478.88 is: 7,616,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104,130.72 : 13,942,972.56 = 5,519,478.88 : x
  2. Step 2: Convert to fraction form
    10,104,130.72/13,942,972.56 = 5,519,478.88/x
  3. Step 3: Cross multiply
    10,104,130.72x = 13,942,972.56 × 5,519,478.88
  4. Step 4: Simplify right side
    10,104,130.72x = 76,957,942,569,339.53
  5. Step 5: Solve for x
    x = 76,957,942,569,339.53/10,104,130.72
  6. Step 6: Final answer
    x = 7,616,483.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.