Home / 13,185,880.92-19,743,384.96-8,367,482.52

Finding the Fourth Proportional to 13,185,880.92, 19,743,384.96 and 8,367,482.52

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Solution

The fourth proportional to 13,185,880.92, 19,743,384.96 and 8,367,482.52 is: 12,528,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,880.92 : 19,743,384.96 = 8,367,482.52 : x
  2. Step 2: Convert to fraction form
    13,185,880.92/19,743,384.96 = 8,367,482.52/x
  3. Step 3: Cross multiply
    13,185,880.92x = 19,743,384.96 × 8,367,482.52
  4. Step 4: Simplify right side
    13,185,880.92x = 165,202,428,538,430.91
  5. Step 5: Solve for x
    x = 165,202,428,538,430.91/13,185,880.92
  6. Step 6: Final answer
    x = 12,528,736.57

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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.