Home / 6,321,751.16-8,724,044.08-3,421,142.28

Finding the Fourth Proportional to 6,321,751.16, 8,724,044.08 and 3,421,142.28

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Solution

The fourth proportional to 6,321,751.16, 8,724,044.08 and 3,421,142.28 is: 4,721,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,751.16 : 8,724,044.08 = 3,421,142.28 : x
  2. Step 2: Convert to fraction form
    6,321,751.16/8,724,044.08 = 3,421,142.28/x
  3. Step 3: Cross multiply
    6,321,751.16x = 8,724,044.08 × 3,421,142.28
  4. Step 4: Simplify right side
    6,321,751.16x = 29,846,196,083,484.51
  5. Step 5: Solve for x
    x = 29,846,196,083,484.51/6,321,751.16
  6. Step 6: Final answer
    x = 4,721,191.22

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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.