Home / 27,687,653.28-38,209,361.31-15,298,033.11

Finding the Fourth Proportional to 27,687,653.28, 38,209,361.31 and 15,298,033.11

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Solution

The fourth proportional to 27,687,653.28, 38,209,361.31 and 15,298,033.11 is: 21,111,506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687,653.28 : 38,209,361.31 = 15,298,033.11 : x
  2. Step 2: Convert to fraction form
    27,687,653.28/38,209,361.31 = 15,298,033.11/x
  3. Step 3: Cross multiply
    27,687,653.28x = 38,209,361.31 × 15,298,033.11
  4. Step 4: Simplify right side
    27,687,653.28x = 584,528,074,289,047.88
  5. Step 5: Solve for x
    x = 584,528,074,289,047.88/27,687,653.28
  6. Step 6: Final answer
    x = 21,111,506.58

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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.