Home / 13,860,202.76-19,126,597.96-7,979,642.02

Finding the Fourth Proportional to 13,860,202.76, 19,126,597.96 and 7,979,642.02

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Solution

The fourth proportional to 13,860,202.76, 19,126,597.96 and 7,979,642.02 is: 11,011,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,202.76 : 19,126,597.96 = 7,979,642.02 : x
  2. Step 2: Convert to fraction form
    13,860,202.76/19,126,597.96 = 7,979,642.02/x
  3. Step 3: Cross multiply
    13,860,202.76x = 19,126,597.96 × 7,979,642.02
  4. Step 4: Simplify right side
    13,860,202.76x = 152,623,404,891,377.41
  5. Step 5: Solve for x
    x = 152,623,404,891,377.41/13,860,202.76
  6. Step 6: Final answer
    x = 11,011,628.58

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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.