Home / 30,732,962.36-42,411,474.06-16,981,806.20

Finding the Fourth Proportional to 30,732,962.36, 42,411,474.06 and 16,981,806.20

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Solution

The fourth proportional to 30,732,962.36, 42,411,474.06 and 16,981,806.20 is: 23,434,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732,962.36 : 42,411,474.06 = 16,981,806.20 : x
  2. Step 2: Convert to fraction form
    30,732,962.36/42,411,474.06 = 16,981,806.20/x
  3. Step 3: Cross multiply
    30,732,962.36x = 42,411,474.06 × 16,981,806.20
  4. Step 4: Simplify right side
    30,732,962.36x = 720,223,433,143,247.12
  5. Step 5: Solve for x
    x = 720,223,433,143,247.12/30,732,962.36
  6. Step 6: Final answer
    x = 23,434,884.82

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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.