Home / 15,125,816.19-20,873,626.38-8,250,298.26

Finding the Fourth Proportional to 15,125,816.19, 20,873,626.38 and 8,250,298.26

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Solution

The fourth proportional to 15,125,816.19, 20,873,626.38 and 8,250,298.26 is: 11,385,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125,816.19 : 20,873,626.38 = 8,250,298.26 : x
  2. Step 2: Convert to fraction form
    15,125,816.19/20,873,626.38 = 8,250,298.26/x
  3. Step 3: Cross multiply
    15,125,816.19x = 20,873,626.38 × 8,250,298.26
  4. Step 4: Simplify right side
    15,125,816.19x = 172,213,643,402,804.09
  5. Step 5: Solve for x
    x = 172,213,643,402,804.09/15,125,816.19
  6. Step 6: Final answer
    x = 11,385,411.62

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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.