Home / 20,267,675.91-27,971,393.37-11,567,150.21

Finding the Fourth Proportional to 20,267,675.91, 27,971,393.37 and 11,567,150.21

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Solution

The fourth proportional to 20,267,675.91, 27,971,393.37 and 11,567,150.21 is: 15,963,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267,675.91 : 27,971,393.37 = 11,567,150.21 : x
  2. Step 2: Convert to fraction form
    20,267,675.91/27,971,393.37 = 11,567,150.21/x
  3. Step 3: Cross multiply
    20,267,675.91x = 27,971,393.37 × 11,567,150.21
  4. Step 4: Simplify right side
    20,267,675.91x = 323,549,308,720,339.81
  5. Step 5: Solve for x
    x = 323,549,308,720,339.81/20,267,675.91
  6. Step 6: Final answer
    x = 15,963,809.08

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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.