Home / 6,368,717.86-8,788,743.16-3,615,381.25

Finding the Fourth Proportional to 6,368,717.86, 8,788,743.16 and 3,615,381.25

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Solution

The fourth proportional to 6,368,717.86, 8,788,743.16 and 3,615,381.25 is: 4,989,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368,717.86 : 8,788,743.16 = 3,615,381.25 : x
  2. Step 2: Convert to fraction form
    6,368,717.86/8,788,743.16 = 3,615,381.25/x
  3. Step 3: Cross multiply
    6,368,717.86x = 8,788,743.16 × 3,615,381.25
  4. Step 4: Simplify right side
    6,368,717.86x = 31,774,657,200,719.44
  5. Step 5: Solve for x
    x = 31,774,657,200,719.44/6,368,717.86
  6. Step 6: Final answer
    x = 4,989,176.46

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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.