Home / 6,428,281.44-9,642,422.08-5,009,399.52

Finding the Fourth Proportional to 6,428,281.44, 9,642,422.08 and 5,009,399.52

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Solution

The fourth proportional to 6,428,281.44, 9,642,422.08 and 5,009,399.52 is: 7,514,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,281.44 : 9,642,422.08 = 5,009,399.52 : x
  2. Step 2: Convert to fraction form
    6,428,281.44/9,642,422.08 = 5,009,399.52/x
  3. Step 3: Cross multiply
    6,428,281.44x = 9,642,422.08 × 5,009,399.52
  4. Step 4: Simplify right side
    6,428,281.44x = 48,302,744,539,189.40
  5. Step 5: Solve for x
    x = 48,302,744,539,189.40/6,428,281.44
  6. Step 6: Final answer
    x = 7,514,099.22

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1.5x scale

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.