Home / 20,705,945.40-31,065,138.90-14,733,977.40

Finding the Fourth Proportional to 20,705,945.40, 31,065,138.90 and 14,733,977.40

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Solution

The fourth proportional to 20,705,945.40, 31,065,138.90 and 14,733,977.40 is: 22,105,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705,945.40 : 31,065,138.90 = 14,733,977.40 : x
  2. Step 2: Convert to fraction form
    20,705,945.40/31,065,138.90 = 14,733,977.40/x
  3. Step 3: Cross multiply
    20,705,945.40x = 31,065,138.90 × 14,733,977.40
  4. Step 4: Simplify right side
    20,705,945.40x = 457,713,054,480,460.88
  5. Step 5: Solve for x
    x = 457,713,054,480,460.88/20,705,945.40
  6. Step 6: Final answer
    x = 22,105,392.71

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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.