Home / 18,366,103.20-27,549,154.80-10,403,479.20

Finding the Fourth Proportional to 18,366,103.20, 27,549,154.80 and 10,403,479.20

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Solution

The fourth proportional to 18,366,103.20, 27,549,154.80 and 10,403,479.20 is: 15,605,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366,103.20 : 27,549,154.80 = 10,403,479.20 : x
  2. Step 2: Convert to fraction form
    18,366,103.20/27,549,154.80 = 10,403,479.20/x
  3. Step 3: Cross multiply
    18,366,103.20x = 27,549,154.80 × 10,403,479.20
  4. Step 4: Simplify right side
    18,366,103.20x = 286,607,058,939,380.12
  5. Step 5: Solve for x
    x = 286,607,058,939,380.12/18,366,103.20
  6. Step 6: Final answer
    x = 15,605,218.80

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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.