Home / 13,195,003.80-19,780,985.70-5,113,493.40

Finding the Fourth Proportional to 13,195,003.80, 19,780,985.70 and 5,113,493.40

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Solution

The fourth proportional to 13,195,003.80, 19,780,985.70 and 5,113,493.40 is: 7,665,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,003.80 : 19,780,985.70 = 5,113,493.40 : x
  2. Step 2: Convert to fraction form
    13,195,003.80/19,780,985.70 = 5,113,493.40/x
  3. Step 3: Cross multiply
    13,195,003.80x = 19,780,985.70 × 5,113,493.40
  4. Step 4: Simplify right side
    13,195,003.80x = 101,149,939,822,444.39
  5. Step 5: Solve for x
    x = 101,149,939,822,444.39/13,195,003.80
  6. Step 6: Final answer
    x = 7,665,775.73

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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.