Home / 27,427,682.16-37,842,535.80-21,608,399.16

Finding the Fourth Proportional to 27,427,682.16, 37,842,535.80 and 21,608,399.16

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Solution

The fourth proportional to 27,427,682.16, 37,842,535.80 and 21,608,399.16 is: 29,813,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427,682.16 : 37,842,535.80 = 21,608,399.16 : x
  2. Step 2: Convert to fraction form
    27,427,682.16/37,842,535.80 = 21,608,399.16/x
  3. Step 3: Cross multiply
    27,427,682.16x = 37,842,535.80 × 21,608,399.16
  4. Step 4: Simplify right side
    27,427,682.16x = 817,716,618,792,989.88
  5. Step 5: Solve for x
    x = 817,716,618,792,989.88/27,427,682.16
  6. Step 6: Final answer
    x = 29,813,551.65

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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.