Home / 30,926,480.28-42,676,001.82-16,987,114.98

Finding the Fourth Proportional to 30,926,480.28, 42,676,001.82 and 16,987,114.98

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Solution

The fourth proportional to 30,926,480.28, 42,676,001.82 and 16,987,114.98 is: 23,440,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926,480.28 : 42,676,001.82 = 16,987,114.98 : x
  2. Step 2: Convert to fraction form
    30,926,480.28/42,676,001.82 = 16,987,114.98/x
  3. Step 3: Cross multiply
    30,926,480.28x = 42,676,001.82 × 16,987,114.98
  4. Step 4: Simplify right side
    30,926,480.28x = 724,942,149,803,029.25
  5. Step 5: Solve for x
    x = 724,942,149,803,029.25/30,926,480.28
  6. Step 6: Final answer
    x = 23,440,822.99

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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.