Home / 13,195,005.30-19,780,987.95-5,113,494.90

Finding the Fourth Proportional to 13,195,005.30, 19,780,987.95 and 5,113,494.90

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Solution

The fourth proportional to 13,195,005.30, 19,780,987.95 and 5,113,494.90 is: 7,665,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,005.30 : 19,780,987.95 = 5,113,494.90 : x
  2. Step 2: Convert to fraction form
    13,195,005.30/19,780,987.95 = 5,113,494.90/x
  3. Step 3: Cross multiply
    13,195,005.30x = 19,780,987.95 × 5,113,494.90
  4. Step 4: Simplify right side
    13,195,005.30x = 101,149,980,999,286.45
  5. Step 5: Solve for x
    x = 101,149,980,999,286.45/13,195,005.30
  6. Step 6: Final answer
    x = 7,665,777.97

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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.