Home / 7,660,085.76-11,491,503.36-3,172,707.84

Finding the Fourth Proportional to 7,660,085.76, 11,491,503.36 and 3,172,707.84

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Solution

The fourth proportional to 7,660,085.76, 11,491,503.36 and 3,172,707.84 is: 4,759,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660,085.76 : 11,491,503.36 = 3,172,707.84 : x
  2. Step 2: Convert to fraction form
    7,660,085.76/11,491,503.36 = 3,172,707.84/x
  3. Step 3: Cross multiply
    7,660,085.76x = 11,491,503.36 × 3,172,707.84
  4. Step 4: Simplify right side
    7,660,085.76x = 36,459,182,803,658.34
  5. Step 5: Solve for x
    x = 36,459,182,803,658.34/7,660,085.76
  6. Step 6: Final answer
    x = 4,759,631.15

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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.