Home / 28,532,077.16-39,374,341.24-15,479,335.40

Finding the Fourth Proportional to 28,532,077.16, 39,374,341.24 and 15,479,335.40

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Solution

The fourth proportional to 28,532,077.16, 39,374,341.24 and 15,479,335.40 is: 21,361,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532,077.16 : 39,374,341.24 = 15,479,335.40 : x
  2. Step 2: Convert to fraction form
    28,532,077.16/39,374,341.24 = 15,479,335.40/x
  3. Step 3: Cross multiply
    28,532,077.16x = 39,374,341.24 × 15,479,335.40
  4. Step 4: Simplify right side
    28,532,077.16x = 609,488,634,208,012
  5. Step 5: Solve for x
    x = 609,488,634,208,012/28,532,077.16
  6. Step 6: Final answer
    x = 21,361,523.41

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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.