Home / 13,221,515.20-19,832,272.80-11,541,899.20

Finding the Fourth Proportional to 13,221,515.20, 19,832,272.80 and 11,541,899.20

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Solution

The fourth proportional to 13,221,515.20, 19,832,272.80 and 11,541,899.20 is: 17,312,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,515.20 : 19,832,272.80 = 11,541,899.20 : x
  2. Step 2: Convert to fraction form
    13,221,515.20/19,832,272.80 = 11,541,899.20/x
  3. Step 3: Cross multiply
    13,221,515.20x = 19,832,272.80 × 11,541,899.20
  4. Step 4: Simplify right side
    13,221,515.20x = 228,902,093,564,501.75
  5. Step 5: Solve for x
    x = 228,902,093,564,501.75/13,221,515.20
  6. Step 6: Final answer
    x = 17,312,848.80

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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.