Home / 38,122,385.16-52,609,298.94-20,718,731.25

Finding the Fourth Proportional to 38,122,385.16, 52,609,298.94 and 20,718,731.25

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Solution

The fourth proportional to 38,122,385.16, 52,609,298.94 and 20,718,731.25 is: 28,592,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122,385.16 : 52,609,298.94 = 20,718,731.25 : x
  2. Step 2: Convert to fraction form
    38,122,385.16/52,609,298.94 = 20,718,731.25/x
  3. Step 3: Cross multiply
    38,122,385.16x = 52,609,298.94 × 20,718,731.25
  4. Step 4: Simplify right side
    38,122,385.16x = 1,089,997,925,988,769.88
  5. Step 5: Solve for x
    x = 1,089,997,925,988,769.88/38,122,385.16
  6. Step 6: Final answer
    x = 28,592,070.55

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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.