Home / 6,388,810.10-9,583,215.15-2,129,117.30

Finding the Fourth Proportional to 6,388,810.10, 9,583,215.15 and 2,129,117.30

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Solution

The fourth proportional to 6,388,810.10, 9,583,215.15 and 2,129,117.30 is: 3,193,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,810.10 : 9,583,215.15 = 2,129,117.30 : x
  2. Step 2: Convert to fraction form
    6,388,810.10/9,583,215.15 = 2,129,117.30/x
  3. Step 3: Cross multiply
    6,388,810.10x = 9,583,215.15 × 2,129,117.30
  4. Step 4: Simplify right side
    6,388,810.10x = 20,403,789,165,487.09
  5. Step 5: Solve for x
    x = 20,403,789,165,487.09/6,388,810.10
  6. Step 6: Final answer
    x = 3,193,675.95

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.