Home / 20,847,256.40-31,204,529.40-14,875,288.40

Finding the Fourth Proportional to 20,847,256.40, 31,204,529.40 and 14,875,288.40

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Solution

The fourth proportional to 20,847,256.40, 31,204,529.40 and 14,875,288.40 is: 22,265,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,256.40 : 31,204,529.40 = 14,875,288.40 : x
  2. Step 2: Convert to fraction form
    20,847,256.40/31,204,529.40 = 14,875,288.40/x
  3. Step 3: Cross multiply
    20,847,256.40x = 31,204,529.40 × 14,875,288.40
  4. Step 4: Simplify right side
    20,847,256.40x = 464,176,374,211,278.94
  5. Step 5: Solve for x
    x = 464,176,374,211,278.94/20,847,256.40
  6. Step 6: Final answer
    x = 22,265,585.71

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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.