Home / 30,732,964.36-42,411,476.82-16,981,808.20

Finding the Fourth Proportional to 30,732,964.36, 42,411,476.82 and 16,981,808.20

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Solution

The fourth proportional to 30,732,964.36, 42,411,476.82 and 16,981,808.20 is: 23,434,887.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732,964.36 : 42,411,476.82 = 16,981,808.20 : x
  2. Step 2: Convert to fraction form
    30,732,964.36/42,411,476.82 = 16,981,808.20/x
  3. Step 3: Cross multiply
    30,732,964.36x = 42,411,476.82 × 16,981,808.20
  4. Step 4: Simplify right side
    30,732,964.36x = 720,223,564,835,985.88
  5. Step 5: Solve for x
    x = 720,223,564,835,985.88/30,732,964.36
  6. Step 6: Final answer
    x = 23,434,887.58

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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.