Home / 13,901,231.61-19,179,734.04-8,020,400.36

Finding the Fourth Proportional to 13,901,231.61, 19,179,734.04 and 8,020,400.36

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Solution

The fourth proportional to 13,901,231.61, 19,179,734.04 and 8,020,400.36 is: 11,065,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901,231.61 : 19,179,734.04 = 8,020,400.36 : x
  2. Step 2: Convert to fraction form
    13,901,231.61/19,179,734.04 = 8,020,400.36/x
  3. Step 3: Cross multiply
    13,901,231.61x = 19,179,734.04 × 8,020,400.36
  4. Step 4: Simplify right side
    13,901,231.61x = 153,829,145,703,221.59
  5. Step 5: Solve for x
    x = 153,829,145,703,221.59/13,901,231.61
  6. Step 6: Final answer
    x = 11,065,864.52

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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.