Home / 21,347,277.45-29,458,885.59-11,557,642.16

Finding the Fourth Proportional to 21,347,277.45, 29,458,885.59 and 11,557,642.16

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Solution

The fourth proportional to 21,347,277.45, 29,458,885.59 and 11,557,642.16 is: 15,949,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,277.45 : 29,458,885.59 = 11,557,642.16 : x
  2. Step 2: Convert to fraction form
    21,347,277.45/29,458,885.59 = 11,557,642.16/x
  3. Step 3: Cross multiply
    21,347,277.45x = 29,458,885.59 × 11,557,642.16
  4. Step 4: Simplify right side
    21,347,277.45x = 340,475,257,934,306
  5. Step 5: Solve for x
    x = 340,475,257,934,306/21,347,277.45
  6. Step 6: Final answer
    x = 15,949,352.73

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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.