Home / 15,323,818.94-21,147,016.93-8,448,547.58

Finding the Fourth Proportional to 15,323,818.94, 21,147,016.93 and 8,448,547.58

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Solution

The fourth proportional to 15,323,818.94, 21,147,016.93 and 8,448,547.58 is: 11,659,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323,818.94 : 21,147,016.93 = 8,448,547.58 : x
  2. Step 2: Convert to fraction form
    15,323,818.94/21,147,016.93 = 8,448,547.58/x
  3. Step 3: Cross multiply
    15,323,818.94x = 21,147,016.93 × 8,448,547.58
  4. Step 4: Simplify right side
    15,323,818.94x = 178,661,578,708,170.53
  5. Step 5: Solve for x
    x = 178,661,578,708,170.53/15,323,818.94
  6. Step 6: Final answer
    x = 11,659,076.59

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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.