Home / 12,344,597.78-18,513,918.70-5,152,232.75

Finding the Fourth Proportional to 12,344,597.78, 18,513,918.70 and 5,152,232.75

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Solution

The fourth proportional to 12,344,597.78, 18,513,918.70 and 5,152,232.75 is: 7,727,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344,597.78 : 18,513,918.70 = 5,152,232.75 : x
  2. Step 2: Convert to fraction form
    12,344,597.78/18,513,918.70 = 5,152,232.75/x
  3. Step 3: Cross multiply
    12,344,597.78x = 18,513,918.70 × 5,152,232.75
  4. Step 4: Simplify right side
    12,344,597.78x = 95,388,018,151,527.27
  5. Step 5: Solve for x
    x = 95,388,018,151,527.27/12,344,597.78
  6. Step 6: Final answer
    x = 7,727,106.21

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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.