Home / 22,478,021.83-31,019,669.75-12,164,744.92

Finding the Fourth Proportional to 22,478,021.83, 31,019,669.75 and 12,164,744.92

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Solution

The fourth proportional to 22,478,021.83, 31,019,669.75 and 12,164,744.92 is: 16,787,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,021.83 : 31,019,669.75 = 12,164,744.92 : x
  2. Step 2: Convert to fraction form
    22,478,021.83/31,019,669.75 = 12,164,744.92/x
  3. Step 3: Cross multiply
    22,478,021.83x = 31,019,669.75 × 12,164,744.92
  4. Step 4: Simplify right side
    22,478,021.83x = 377,346,370,011,390.19
  5. Step 5: Solve for x
    x = 377,346,370,011,390.19/22,478,021.83
  6. Step 6: Final answer
    x = 16,787,347.79

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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.