Home / 7,115,755.64-9,819,623.71-3,852,543.88

Finding the Fourth Proportional to 7,115,755.64, 9,819,623.71 and 3,852,543.88

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Solution

The fourth proportional to 7,115,755.64, 9,819,623.71 and 3,852,543.88 is: 5,316,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,755.64 : 9,819,623.71 = 3,852,543.88 : x
  2. Step 2: Convert to fraction form
    7,115,755.64/9,819,623.71 = 3,852,543.88/x
  3. Step 3: Cross multiply
    7,115,755.64x = 9,819,623.71 × 3,852,543.88
  4. Step 4: Simplify right side
    7,115,755.64x = 37,830,531,193,682.98
  5. Step 5: Solve for x
    x = 37,830,531,193,682.98/7,115,755.64
  6. Step 6: Final answer
    x = 5,316,446.08

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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.