Home / 20,937,767.70-31,383,323.55-8,154,023.70

Finding the Fourth Proportional to 20,937,767.70, 31,383,323.55 and 8,154,023.70

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Solution

The fourth proportional to 20,937,767.70, 31,383,323.55 and 8,154,023.70 is: 12,221,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,937,767.70 : 31,383,323.55 = 8,154,023.70 : x
  2. Step 2: Convert to fraction form
    20,937,767.70/31,383,323.55 = 8,154,023.70/x
  3. Step 3: Cross multiply
    20,937,767.70x = 31,383,323.55 × 8,154,023.70
  4. Step 4: Simplify right side
    20,937,767.70x = 255,900,364,011,468.16
  5. Step 5: Solve for x
    x = 255,900,364,011,468.16/20,937,767.70
  6. Step 6: Final answer
    x = 12,221,950.67

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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.