Home / 13,287,270.64-18,336,432.88-7,175,698.60

Finding the Fourth Proportional to 13,287,270.64, 18,336,432.88 and 7,175,698.60

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Solution

The fourth proportional to 13,287,270.64, 18,336,432.88 and 7,175,698.60 is: 9,902,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,270.64 : 18,336,432.88 = 7,175,698.60 : x
  2. Step 2: Convert to fraction form
    13,287,270.64/18,336,432.88 = 7,175,698.60/x
  3. Step 3: Cross multiply
    13,287,270.64x = 18,336,432.88 × 7,175,698.60
  4. Step 4: Simplify right side
    13,287,270.64x = 131,576,715,746,009.95
  5. Step 5: Solve for x
    x = 131,576,715,746,009.95/13,287,270.64
  6. Step 6: Final answer
    x = 9,902,463.74

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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.