Home / 11,153,395.20-16,730,092.80-8,319,043.20

Finding the Fourth Proportional to 11,153,395.20, 16,730,092.80 and 8,319,043.20

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Solution

The fourth proportional to 11,153,395.20, 16,730,092.80 and 8,319,043.20 is: 12,478,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153,395.20 : 16,730,092.80 = 8,319,043.20 : x
  2. Step 2: Convert to fraction form
    11,153,395.20/16,730,092.80 = 8,319,043.20/x
  3. Step 3: Cross multiply
    11,153,395.20x = 16,730,092.80 × 8,319,043.20
  4. Step 4: Simplify right side
    11,153,395.20x = 139,178,364,743,208.97
  5. Step 5: Solve for x
    x = 139,178,364,743,208.97/11,153,395.20
  6. Step 6: Final answer
    x = 12,478,564.80

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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.