Home / 13,196,999.20-19,795,498.80-11,071,235.20

Finding the Fourth Proportional to 13,196,999.20, 19,795,498.80 and 11,071,235.20

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Solution

The fourth proportional to 13,196,999.20, 19,795,498.80 and 11,071,235.20 is: 16,606,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,999.20 : 19,795,498.80 = 11,071,235.20 : x
  2. Step 2: Convert to fraction form
    13,196,999.20/19,795,498.80 = 11,071,235.20/x
  3. Step 3: Cross multiply
    13,196,999.20x = 19,795,498.80 × 11,071,235.20
  4. Step 4: Simplify right side
    13,196,999.20x = 219,160,623,116,117.75
  5. Step 5: Solve for x
    x = 219,160,623,116,117.75/13,196,999.20
  6. Step 6: Final answer
    x = 16,606,852.80

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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.