Home / 12,427,175.20-18,643,586.74-3,792,048.10

Finding the Fourth Proportional to 12,427,175.20, 18,643,586.74 and 3,792,048.10

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Solution

The fourth proportional to 12,427,175.20, 18,643,586.74 and 3,792,048.10 is: 5,688,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,175.20 : 18,643,586.74 = 3,792,048.10 : x
  2. Step 2: Convert to fraction form
    12,427,175.20/18,643,586.74 = 3,792,048.10/x
  3. Step 3: Cross multiply
    12,427,175.20x = 18,643,586.74 × 3,792,048.10
  4. Step 4: Simplify right side
    12,427,175.20x = 70,697,377,674,602.19
  5. Step 5: Solve for x
    x = 70,697,377,674,602.19/12,427,175.20
  6. Step 6: Final answer
    x = 5,688,933.85

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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.