Home / 28,400,910.48-42,558,012.05-16,863,658.07

Finding the Fourth Proportional to 28,400,910.48, 42,558,012.05 and 16,863,658.07

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Solution

The fourth proportional to 28,400,910.48, 42,558,012.05 and 16,863,658.07 is: 25,269,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,910.48 : 42,558,012.05 = 16,863,658.07 : x
  2. Step 2: Convert to fraction form
    28,400,910.48/42,558,012.05 = 16,863,658.07/x
  3. Step 3: Cross multiply
    28,400,910.48x = 42,558,012.05 × 16,863,658.07
  4. Step 4: Simplify right side
    28,400,910.48x = 717,683,763,053,031.50
  5. Step 5: Solve for x
    x = 717,683,763,053,031.50/28,400,910.48
  6. Step 6: Final answer
    x = 25,269,744.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.