Home / 11,478,347.48-15,840,835.90-6,321,707.66

Finding the Fourth Proportional to 11,478,347.48, 15,840,835.90 and 6,321,707.66

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Solution

The fourth proportional to 11,478,347.48, 15,840,835.90 and 6,321,707.66 is: 8,724,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,347.48 : 15,840,835.90 = 6,321,707.66 : x
  2. Step 2: Convert to fraction form
    11,478,347.48/15,840,835.90 = 6,321,707.66/x
  3. Step 3: Cross multiply
    11,478,347.48x = 15,840,835.90 × 6,321,707.66
  4. Step 4: Simplify right side
    11,478,347.48x = 100,141,133,649,833
  5. Step 5: Solve for x
    x = 100,141,133,649,833/11,478,347.48
  6. Step 6: Final answer
    x = 8,724,351.12

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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.