Home / 12,338,975.57-18,496,382.50-5,152,564.64

Finding the Fourth Proportional to 12,338,975.57, 18,496,382.50 and 5,152,564.64

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Solution

The fourth proportional to 12,338,975.57, 18,496,382.50 and 5,152,564.64 is: 7,723,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338,975.57 : 18,496,382.50 = 5,152,564.64 : x
  2. Step 2: Convert to fraction form
    12,338,975.57/18,496,382.50 = 5,152,564.64/x
  3. Step 3: Cross multiply
    12,338,975.57x = 18,496,382.50 × 5,152,564.64
  4. Step 4: Simplify right side
    12,338,975.57x = 95,303,806,490,096.45
  5. Step 5: Solve for x
    x = 95,303,806,490,096.45/12,338,975.57
  6. Step 6: Final answer
    x = 7,723,802.19

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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.