Home / 20,841,521.74-28,761,468.84-11,549,247.04

Finding the Fourth Proportional to 20,841,521.74, 28,761,468.84 and 11,549,247.04

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Solution

The fourth proportional to 20,841,521.74, 28,761,468.84 and 11,549,247.04 is: 15,938,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,521.74 : 28,761,468.84 = 11,549,247.04 : x
  2. Step 2: Convert to fraction form
    20,841,521.74/28,761,468.84 = 11,549,247.04/x
  3. Step 3: Cross multiply
    20,841,521.74x = 28,761,468.84 × 11,549,247.04
  4. Step 4: Simplify right side
    20,841,521.74x = 332,173,308,866,422.19
  5. Step 5: Solve for x
    x = 332,173,308,866,422.19/20,841,521.74
  6. Step 6: Final answer
    x = 15,938,054.48

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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.