Home / 18,509,356.92-25,543,173.42-10,664,533.56

Finding the Fourth Proportional to 18,509,356.92, 25,543,173.42 and 10,664,533.56

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Solution

The fourth proportional to 18,509,356.92, 25,543,173.42 and 10,664,533.56 is: 14,717,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,356.92 : 25,543,173.42 = 10,664,533.56 : x
  2. Step 2: Convert to fraction form
    18,509,356.92/25,543,173.42 = 10,664,533.56/x
  3. Step 3: Cross multiply
    18,509,356.92x = 25,543,173.42 × 10,664,533.56
  4. Step 4: Simplify right side
    18,509,356.92x = 272,406,030,166,490
  5. Step 5: Solve for x
    x = 272,406,030,166,490/18,509,356.92
  6. Step 6: Final answer
    x = 14,717,206.62

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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.