Home / 13,319,287.95-18,380,617.46-7,207,716.45

Finding the Fourth Proportional to 13,319,287.95, 18,380,617.46 and 7,207,716.45

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Solution

The fourth proportional to 13,319,287.95, 18,380,617.46 and 7,207,716.45 is: 9,946,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,287.95 : 18,380,617.46 = 7,207,716.45 : x
  2. Step 2: Convert to fraction form
    13,319,287.95/18,380,617.46 = 7,207,716.45/x
  3. Step 3: Cross multiply
    13,319,287.95x = 18,380,617.46 × 7,207,716.45
  4. Step 4: Simplify right side
    13,319,287.95x = 132,482,278,827,599.23
  5. Step 5: Solve for x
    x = 132,482,278,827,599.23/13,319,287.95
  6. Step 6: Final answer
    x = 9,946,648.75

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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.