Home / 11,478,342.98-15,840,829.68-6,321,703.16

Finding the Fourth Proportional to 11,478,342.98, 15,840,829.68 and 6,321,703.16

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Solution

The fourth proportional to 11,478,342.98, 15,840,829.68 and 6,321,703.16 is: 8,724,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,342.98 : 15,840,829.68 = 6,321,703.16 : x
  2. Step 2: Convert to fraction form
    11,478,342.98/15,840,829.68 = 6,321,703.16/x
  3. Step 3: Cross multiply
    11,478,342.98x = 15,840,829.68 × 6,321,703.16
  4. Step 4: Simplify right side
    11,478,342.98x = 100,141,023,045,077.80
  5. Step 5: Solve for x
    x = 100,141,023,045,077.80/11,478,342.98
  6. Step 6: Final answer
    x = 8,724,344.90

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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.