Home / 13,851,487.58-19,116,951.74-7,971,000.90

Finding the Fourth Proportional to 13,851,487.58, 19,116,951.74 and 7,971,000.90

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Solution

The fourth proportional to 13,851,487.58, 19,116,951.74 and 7,971,000.90 is: 11,001,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,487.58 : 19,116,951.74 = 7,971,000.90 : x
  2. Step 2: Convert to fraction form
    13,851,487.58/19,116,951.74 = 7,971,000.90/x
  3. Step 3: Cross multiply
    13,851,487.58x = 19,116,951.74 × 7,971,000.90
  4. Step 4: Simplify right side
    13,851,487.58x = 152,381,239,524,796.56
  5. Step 5: Solve for x
    x = 152,381,239,524,796.56/13,851,487.58
  6. Step 6: Final answer
    x = 11,001,073.97

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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.