Home / 21,649,144.86-29,875,855.19-11,859,374.16

Finding the Fourth Proportional to 21,649,144.86, 29,875,855.19 and 11,859,374.16

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Solution

The fourth proportional to 21,649,144.86, 29,875,855.19 and 11,859,374.16 is: 16,365,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,144.86 : 29,875,855.19 = 11,859,374.16 : x
  2. Step 2: Convert to fraction form
    21,649,144.86/29,875,855.19 = 11,859,374.16/x
  3. Step 3: Cross multiply
    21,649,144.86x = 29,875,855.19 × 11,859,374.16
  4. Step 4: Simplify right side
    21,649,144.86x = 354,308,944,988,891
  5. Step 5: Solve for x
    x = 354,308,944,988,891/21,649,144.86
  6. Step 6: Final answer
    x = 16,365,955.67

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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.