Home / 6,911,752.31-9,538,447.07-3,772,187.40

Finding the Fourth Proportional to 6,911,752.31, 9,538,447.07 and 3,772,187.40

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Solution

The fourth proportional to 6,911,752.31, 9,538,447.07 and 3,772,187.40 is: 5,205,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,752.31 : 9,538,447.07 = 3,772,187.40 : x
  2. Step 2: Convert to fraction form
    6,911,752.31/9,538,447.07 = 3,772,187.40/x
  3. Step 3: Cross multiply
    6,911,752.31x = 9,538,447.07 × 3,772,187.40
  4. Step 4: Simplify right side
    6,911,752.31x = 35,980,809,853,020.92
  5. Step 5: Solve for x
    x = 35,980,809,853,020.92/6,911,752.31
  6. Step 6: Final answer
    x = 5,205,743.53

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1.5x scale

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.