Home / 8,748,120.48-12,072,696.17-4,774,608.78

Finding the Fourth Proportional to 8,748,120.48, 12,072,696.17 and 4,774,608.78

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Solution

The fourth proportional to 8,748,120.48, 12,072,696.17 and 4,774,608.78 is: 6,589,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,120.48 : 12,072,696.17 = 4,774,608.78 : x
  2. Step 2: Convert to fraction form
    8,748,120.48/12,072,696.17 = 4,774,608.78/x
  3. Step 3: Cross multiply
    8,748,120.48x = 12,072,696.17 × 4,774,608.78
  4. Step 4: Simplify right side
    8,748,120.48x = 57,642,401,107,681.33
  5. Step 5: Solve for x
    x = 57,642,401,107,681.33/8,748,120.48
  6. Step 6: Final answer
    x = 6,589,118.34

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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.