Home / 13,860,203.76-19,126,599.34-7,979,643.02

Finding the Fourth Proportional to 13,860,203.76, 19,126,599.34 and 7,979,643.02

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Solution

The fourth proportional to 13,860,203.76, 19,126,599.34 and 7,979,643.02 is: 11,011,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,203.76 : 19,126,599.34 = 7,979,643.02 : x
  2. Step 2: Convert to fraction form
    13,860,203.76/19,126,599.34 = 7,979,643.02/x
  3. Step 3: Cross multiply
    13,860,203.76x = 19,126,599.34 × 7,979,643.02
  4. Step 4: Simplify right side
    13,860,203.76x = 152,623,434,919,767.59
  5. Step 5: Solve for x
    x = 152,623,434,919,767.59/13,860,203.76
  6. Step 6: Final answer
    x = 11,011,629.96

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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.