Home / 13,017,455.76-17,964,088.56-7,216,222.80

Finding the Fourth Proportional to 13,017,455.76, 17,964,088.56 and 7,216,222.80

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Solution

The fourth proportional to 13,017,455.76, 17,964,088.56 and 7,216,222.80 is: 9,958,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,455.76 : 17,964,088.56 = 7,216,222.80 : x
  2. Step 2: Convert to fraction form
    13,017,455.76/17,964,088.56 = 7,216,222.80/x
  3. Step 3: Cross multiply
    13,017,455.76x = 17,964,088.56 × 7,216,222.80
  4. Step 4: Simplify right side
    13,017,455.76x = 129,632,865,447,891.16
  5. Step 5: Solve for x
    x = 129,632,865,447,891.16/13,017,455.76
  6. Step 6: Final answer
    x = 9,958,387.25

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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.