Home / 11,071,479.20-16,607,218.80-8,237,127.20

Finding the Fourth Proportional to 11,071,479.20, 16,607,218.80 and 8,237,127.20

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Solution

The fourth proportional to 11,071,479.20, 16,607,218.80 and 8,237,127.20 is: 12,355,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,479.20 : 16,607,218.80 = 8,237,127.20 : x
  2. Step 2: Convert to fraction form
    11,071,479.20/16,607,218.80 = 8,237,127.20/x
  3. Step 3: Cross multiply
    11,071,479.20x = 16,607,218.80 × 8,237,127.20
  4. Step 4: Simplify right side
    11,071,479.20x = 136,795,773,693,831.38
  5. Step 5: Solve for x
    x = 136,795,773,693,831.38/11,071,479.20
  6. Step 6: Final answer
    x = 12,355,690.80

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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.