Home / 18,366,091.20-27,549,136.80-10,403,467.20

Finding the Fourth Proportional to 18,366,091.20, 27,549,136.80 and 10,403,467.20

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Solution

The fourth proportional to 18,366,091.20, 27,549,136.80 and 10,403,467.20 is: 15,605,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366,091.20 : 27,549,136.80 = 10,403,467.20 : x
  2. Step 2: Convert to fraction form
    18,366,091.20/27,549,136.80 = 10,403,467.20/x
  3. Step 3: Cross multiply
    18,366,091.20x = 27,549,136.80 × 10,403,467.20
  4. Step 4: Simplify right side
    18,366,091.20x = 286,606,541,087,112.94
  5. Step 5: Solve for x
    x = 286,606,541,087,112.94/18,366,091.20
  6. Step 6: Final answer
    x = 15,605,200.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.