Home / 7,276,720.20-10,915,112.70-1,884,987.60

Finding the Fourth Proportional to 7,276,720.20, 10,915,112.70 and 1,884,987.60

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Solution

The fourth proportional to 7,276,720.20, 10,915,112.70 and 1,884,987.60 is: 2,827,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276,720.20 : 10,915,112.70 = 1,884,987.60 : x
  2. Step 2: Convert to fraction form
    7,276,720.20/10,915,112.70 = 1,884,987.60/x
  3. Step 3: Cross multiply
    7,276,720.20x = 10,915,112.70 × 1,884,987.60
  4. Step 4: Simplify right side
    7,276,720.20x = 20,574,852,092,102.52
  5. Step 5: Solve for x
    x = 20,574,852,092,102.52/7,276,720.20
  6. Step 6: Final answer
    x = 2,827,489.79

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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.