Home / 34,210,302.80-47,192,319.22-21,153,387.92

Finding the Fourth Proportional to 34,210,302.80, 47,192,319.22 and 21,153,387.92

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Solution

The fourth proportional to 34,210,302.80, 47,192,319.22 and 21,153,387.92 is: 29,180,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,210,302.80 : 47,192,319.22 = 21,153,387.92 : x
  2. Step 2: Convert to fraction form
    34,210,302.80/47,192,319.22 = 21,153,387.92/x
  3. Step 3: Cross multiply
    34,210,302.80x = 47,192,319.22 × 21,153,387.92
  4. Step 4: Simplify right side
    34,210,302.80x = 998,277,435,305,131.88
  5. Step 5: Solve for x
    x = 998,277,435,305,131.88/34,210,302.80
  6. Step 6: Final answer
    x = 29,180,607.99

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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.