Home / 13,111,006.20-19,666,509.30-11,835,547.80

Finding the Fourth Proportional to 13,111,006.20, 19,666,509.30 and 11,835,547.80

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Solution

The fourth proportional to 13,111,006.20, 19,666,509.30 and 11,835,547.80 is: 17,753,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,006.20 : 19,666,509.30 = 11,835,547.80 : x
  2. Step 2: Convert to fraction form
    13,111,006.20/19,666,509.30 = 11,835,547.80/x
  3. Step 3: Cross multiply
    13,111,006.20x = 19,666,509.30 × 11,835,547.80
  4. Step 4: Simplify right side
    13,111,006.20x = 232,763,910,879,294.56
  5. Step 5: Solve for x
    x = 232,763,910,879,294.56/13,111,006.20
  6. Step 6: Final answer
    x = 17,753,321.70

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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.