Home / 13,287,270.48-18,336,434.76-7,175,698.98

Finding the Fourth Proportional to 13,287,270.48, 18,336,434.76 and 7,175,698.98

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Solution

The fourth proportional to 13,287,270.48, 18,336,434.76 and 7,175,698.98 is: 9,902,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,270.48 : 18,336,434.76 = 7,175,698.98 : x
  2. Step 2: Convert to fraction form
    13,287,270.48/18,336,434.76 = 7,175,698.98/x
  3. Step 3: Cross multiply
    13,287,270.48x = 18,336,434.76 × 7,175,698.98
  4. Step 4: Simplify right side
    13,287,270.48x = 131,576,736,204,168.56
  5. Step 5: Solve for x
    x = 131,576,736,204,168.56/13,287,270.48
  6. Step 6: Final answer
    x = 9,902,465.40

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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.