Home / 7,945,008.89-11,909,246.40-3,681,671.09

Finding the Fourth Proportional to 7,945,008.89, 11,909,246.40 and 3,681,671.09

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Solution

The fourth proportional to 7,945,008.89, 11,909,246.40 and 3,681,671.09 is: 5,518,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945,008.89 : 11,909,246.40 = 3,681,671.09 : x
  2. Step 2: Convert to fraction form
    7,945,008.89/11,909,246.40 = 3,681,671.09/x
  3. Step 3: Cross multiply
    7,945,008.89x = 11,909,246.40 × 3,681,671.09
  4. Step 4: Simplify right side
    7,945,008.89x = 43,845,928,115,020.34
  5. Step 5: Solve for x
    x = 43,845,928,115,020.34/7,945,008.89
  6. Step 6: Final answer
    x = 5,518,675.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.