Home / 13,663,642.80-18,843,614.88-11,336,852.04

Finding the Fourth Proportional to 13,663,642.80, 18,843,614.88 and 11,336,852.04

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Solution

The fourth proportional to 13,663,642.80, 18,843,614.88 and 11,336,852.04 is: 15,634,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663,642.80 : 18,843,614.88 = 11,336,852.04 : x
  2. Step 2: Convert to fraction form
    13,663,642.80/18,843,614.88 = 11,336,852.04/x
  3. Step 3: Cross multiply
    13,663,642.80x = 18,843,614.88 × 11,336,852.04
  4. Step 4: Simplify right side
    13,663,642.80x = 213,627,273,793,302.31
  5. Step 5: Solve for x
    x = 213,627,273,793,302.31/13,663,642.80
  6. Step 6: Final answer
    x = 15,634,723.25

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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.