Home / 15,775,158.56-21,770,714.40-8,897,131.04

Finding the Fourth Proportional to 15,775,158.56, 21,770,714.40 and 8,897,131.04

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Solution

The fourth proportional to 15,775,158.56, 21,770,714.40 and 8,897,131.04 is: 12,278,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775,158.56 : 21,770,714.40 = 8,897,131.04 : x
  2. Step 2: Convert to fraction form
    15,775,158.56/21,770,714.40 = 8,897,131.04/x
  3. Step 3: Cross multiply
    15,775,158.56x = 21,770,714.40 × 8,897,131.04
  4. Step 4: Simplify right side
    15,775,158.56x = 193,696,898,851,214.94
  5. Step 5: Solve for x
    x = 193,696,898,851,214.94/15,775,158.56
  6. Step 6: Final answer
    x = 12,278,602.34

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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.