Home / 11,178,001.70-16,767,002.55-8,343,649.70

Finding the Fourth Proportional to 11,178,001.70, 16,767,002.55 and 8,343,649.70

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Solution

The fourth proportional to 11,178,001.70, 16,767,002.55 and 8,343,649.70 is: 12,515,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,001.70 : 16,767,002.55 = 8,343,649.70 : x
  2. Step 2: Convert to fraction form
    11,178,001.70/16,767,002.55 = 8,343,649.70/x
  3. Step 3: Cross multiply
    11,178,001.70x = 16,767,002.55 × 8,343,649.70
  4. Step 4: Simplify right side
    11,178,001.70x = 139,897,995,796,206.75
  5. Step 5: Solve for x
    x = 139,897,995,796,206.75/11,178,001.70
  6. Step 6: Final answer
    x = 12,515,474.55

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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.