Home / 6,328,830.29-8,733,827.74-3,428,221.16

Finding the Fourth Proportional to 6,328,830.29, 8,733,827.74 and 3,428,221.16

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Solution

The fourth proportional to 6,328,830.29, 8,733,827.74 and 3,428,221.16 is: 4,730,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328,830.29 : 8,733,827.74 = 3,428,221.16 : x
  2. Step 2: Convert to fraction form
    6,328,830.29/8,733,827.74 = 3,428,221.16/x
  3. Step 3: Cross multiply
    6,328,830.29x = 8,733,827.74 × 3,428,221.16
  4. Step 4: Simplify right side
    6,328,830.29x = 29,941,493,071,139.04
  5. Step 5: Solve for x
    x = 29,941,493,071,139.04/6,328,830.29
  6. Step 6: Final answer
    x = 4,730,967.92

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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.