Home / 7,227,468.51-9,976,139.91-4,649,149.28

Finding the Fourth Proportional to 7,227,468.51, 9,976,139.91 and 4,649,149.28

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Solution

The fourth proportional to 7,227,468.51, 9,976,139.91 and 4,649,149.28 is: 6,417,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227,468.51 : 9,976,139.91 = 4,649,149.28 : x
  2. Step 2: Convert to fraction form
    7,227,468.51/9,976,139.91 = 4,649,149.28/x
  3. Step 3: Cross multiply
    7,227,468.51x = 9,976,139.91 × 4,649,149.28
  4. Step 4: Simplify right side
    7,227,468.51x = 46,380,563,629,875.07
  5. Step 5: Solve for x
    x = 46,380,563,629,875.07/7,227,468.51
  6. Step 6: Final answer
    x = 6,417,262.64

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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.