Home / 30,553,524.82-42,163,023.09-16,802,488.90

Finding the Fourth Proportional to 30,553,524.82, 42,163,023.09 and 16,802,488.90

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Solution

The fourth proportional to 30,553,524.82, 42,163,023.09 and 16,802,488.90 is: 23,186,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553,524.82 : 42,163,023.09 = 16,802,488.90 : x
  2. Step 2: Convert to fraction form
    30,553,524.82/42,163,023.09 = 16,802,488.90/x
  3. Step 3: Cross multiply
    30,553,524.82x = 42,163,023.09 × 16,802,488.90
  4. Step 4: Simplify right side
    30,553,524.82x = 708,443,727,460,168.75
  5. Step 5: Solve for x
    x = 708,443,727,460,168.75/30,553,524.82
  6. Step 6: Final answer
    x = 23,186,972.10

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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.