Home / 7,791,556.18-11,687,334.36-2,111,780.50

Finding the Fourth Proportional to 7,791,556.18, 11,687,334.36 and 2,111,780.50

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Solution

The fourth proportional to 7,791,556.18, 11,687,334.36 and 2,111,780.50 is: 3,167,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,556.18 : 11,687,334.36 = 2,111,780.50 : x
  2. Step 2: Convert to fraction form
    7,791,556.18/11,687,334.36 = 2,111,780.50/x
  3. Step 3: Cross multiply
    7,791,556.18x = 11,687,334.36 × 2,111,780.50
  4. Step 4: Simplify right side
    7,791,556.18x = 24,681,084,798,427.98
  5. Step 5: Solve for x
    x = 24,681,084,798,427.98/7,791,556.18
  6. Step 6: Final answer
    x = 3,167,670.77

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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.