Home / 7,980,755.60-11,971,133.40-4,792,109.60

Finding the Fourth Proportional to 7,980,755.60, 11,971,133.40 and 4,792,109.60

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Solution

The fourth proportional to 7,980,755.60, 11,971,133.40 and 4,792,109.60 is: 7,188,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,755.60 : 11,971,133.40 = 4,792,109.60 : x
  2. Step 2: Convert to fraction form
    7,980,755.60/11,971,133.40 = 4,792,109.60/x
  3. Step 3: Cross multiply
    7,980,755.60x = 11,971,133.40 × 4,792,109.60
  4. Step 4: Simplify right side
    7,980,755.60x = 57,366,983,289,020.64
  5. Step 5: Solve for x
    x = 57,366,983,289,020.64/7,980,755.60
  6. Step 6: Final answer
    x = 7,188,164.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.