Home / 31,599,530.91-47,399,296.35-8,880,428.16

Finding the Fourth Proportional to 31,599,530.91, 47,399,296.35 and 8,880,428.16

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Solution

The fourth proportional to 31,599,530.91, 47,399,296.35 and 8,880,428.16 is: 13,320,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599,530.91 : 47,399,296.35 = 8,880,428.16 : x
  2. Step 2: Convert to fraction form
    31,599,530.91/47,399,296.35 = 8,880,428.16/x
  3. Step 3: Cross multiply
    31,599,530.91x = 47,399,296.35 × 8,880,428.16
  4. Step 4: Simplify right side
    31,599,530.91x = 420,926,046,070,725.25
  5. Step 5: Solve for x
    x = 420,926,046,070,725.25/31,599,530.91
  6. Step 6: Final answer
    x = 13,320,642.24

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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.