Home / 12,718,659.48-18,991,838.79-10,095,534.84

Finding the Fourth Proportional to 12,718,659.48, 18,991,838.79 and 10,095,534.84

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Solution

The fourth proportional to 12,718,659.48, 18,991,838.79 and 10,095,534.84 is: 15,074,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,659.48 : 18,991,838.79 = 10,095,534.84 : x
  2. Step 2: Convert to fraction form
    12,718,659.48/18,991,838.79 = 10,095,534.84/x
  3. Step 3: Cross multiply
    12,718,659.48x = 18,991,838.79 × 10,095,534.84
  4. Step 4: Simplify right side
    12,718,659.48x = 191,732,770,180,108.44
  5. Step 5: Solve for x
    x = 191,732,770,180,108.44/12,718,659.48
  6. Step 6: Final answer
    x = 15,074,919.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.