Home / 7,115,611.16-9,819,549.78-3,852,428.24

Finding the Fourth Proportional to 7,115,611.16, 9,819,549.78 and 3,852,428.24

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Solution

The fourth proportional to 7,115,611.16, 9,819,549.78 and 3,852,428.24 is: 5,316,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,611.16 : 9,819,549.78 = 3,852,428.24 : x
  2. Step 2: Convert to fraction form
    7,115,611.16/9,819,549.78 = 3,852,428.24/x
  3. Step 3: Cross multiply
    7,115,611.16x = 9,819,549.78 × 3,852,428.24
  4. Step 4: Simplify right side
    7,115,611.16x = 37,829,110,876,557.79
  5. Step 5: Solve for x
    x = 37,829,110,876,557.79/7,115,611.16
  6. Step 6: Final answer
    x = 5,316,354.42

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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.