Home / 7,115,897.90-9,819,926.11-3,852,712.19

Finding the Fourth Proportional to 7,115,897.90, 9,819,926.11 and 3,852,712.19

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Solution

The fourth proportional to 7,115,897.90, 9,819,926.11 and 3,852,712.19 is: 5,316,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,897.90 : 9,819,926.11 = 3,852,712.19 : x
  2. Step 2: Convert to fraction form
    7,115,897.90/9,819,926.11 = 3,852,712.19/x
  3. Step 3: Cross multiply
    7,115,897.90x = 9,819,926.11 × 3,852,712.19
  4. Step 4: Simplify right side
    7,115,897.90x = 37,833,349,028,896.28
  5. Step 5: Solve for x
    x = 37,833,349,028,896.28/7,115,897.90
  6. Step 6: Final answer
    x = 5,316,735.79

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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.