Home / 7,128,552.40-10,692,828.60-2,080,373.20

Finding the Fourth Proportional to 7,128,552.40, 10,692,828.60 and 2,080,373.20

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Solution

The fourth proportional to 7,128,552.40, 10,692,828.60 and 2,080,373.20 is: 3,120,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,552.40 : 10,692,828.60 = 2,080,373.20 : x
  2. Step 2: Convert to fraction form
    7,128,552.40/10,692,828.60 = 2,080,373.20/x
  3. Step 3: Cross multiply
    7,128,552.40x = 10,692,828.60 × 2,080,373.20
  4. Step 4: Simplify right side
    7,128,552.40x = 22,245,074,051,633.52
  5. Step 5: Solve for x
    x = 22,245,074,051,633.52/7,128,552.40
  6. Step 6: Final answer
    x = 3,120,559.80

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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.