Home / 13,175,237.56-18,177,684.78-7,373,097.40

Finding the Fourth Proportional to 13,175,237.56, 18,177,684.78 and 7,373,097.40

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Solution

The fourth proportional to 13,175,237.56, 18,177,684.78 and 7,373,097.40 is: 10,172,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175,237.56 : 18,177,684.78 = 7,373,097.40 : x
  2. Step 2: Convert to fraction form
    13,175,237.56/18,177,684.78 = 7,373,097.40/x
  3. Step 3: Cross multiply
    13,175,237.56x = 18,177,684.78 × 7,373,097.40
  4. Step 4: Simplify right side
    13,175,237.56x = 134,025,840,389,437.59
  5. Step 5: Solve for x
    x = 134,025,840,389,437.59/13,175,237.56
  6. Step 6: Final answer
    x = 10,172,555.89

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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.