Home / 15,465,370.74-21,339,839.15-8,937,739.67

Finding the Fourth Proportional to 15,465,370.74, 21,339,839.15 and 8,937,739.67

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Solution

The fourth proportional to 15,465,370.74, 21,339,839.15 and 8,937,739.67 is: 12,332,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465,370.74 : 21,339,839.15 = 8,937,739.67 : x
  2. Step 2: Convert to fraction form
    15,465,370.74/21,339,839.15 = 8,937,739.67/x
  3. Step 3: Cross multiply
    15,465,370.74x = 21,339,839.15 × 8,937,739.67
  4. Step 4: Simplify right side
    15,465,370.74x = 190,729,926,824,335.78
  5. Step 5: Solve for x
    x = 190,729,926,824,335.78/15,465,370.74
  6. Step 6: Final answer
    x = 12,332,709.64

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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.