Home / 30,108,471.36-41,549,852.52-18,513,610.80

Finding the Fourth Proportional to 30,108,471.36, 41,549,852.52 and 18,513,610.80

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Solution

The fourth proportional to 30,108,471.36, 41,549,852.52 and 18,513,610.80 is: 25,548,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108,471.36 : 41,549,852.52 = 18,513,610.80 : x
  2. Step 2: Convert to fraction form
    30,108,471.36/41,549,852.52 = 18,513,610.80/x
  3. Step 3: Cross multiply
    30,108,471.36x = 41,549,852.52 × 18,513,610.80
  4. Step 4: Simplify right side
    30,108,471.36x = 769,237,798,352,679.25
  5. Step 5: Solve for x
    x = 769,237,798,352,679.25/30,108,471.36
  6. Step 6: Final answer
    x = 25,548,882.54

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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.