Home / 8,600,370.89-11,865,839.92-4,878,588.51

Finding the Fourth Proportional to 8,600,370.89, 11,865,839.92 and 4,878,588.51

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Solution

The fourth proportional to 8,600,370.89, 11,865,839.92 and 4,878,588.51 is: 6,730,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600,370.89 : 11,865,839.92 = 4,878,588.51 : x
  2. Step 2: Convert to fraction form
    8,600,370.89/11,865,839.92 = 4,878,588.51/x
  3. Step 3: Cross multiply
    8,600,370.89x = 11,865,839.92 × 4,878,588.51
  4. Step 4: Simplify right side
    8,600,370.89x = 57,888,550,270,818.37
  5. Step 5: Solve for x
    x = 57,888,550,270,818.37/8,600,370.89
  6. Step 6: Final answer
    x = 6,730,936.49

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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.