Home / 11,153,379.20-16,730,068.80-8,319,027.20

Finding the Fourth Proportional to 11,153,379.20, 16,730,068.80 and 8,319,027.20

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Solution

The fourth proportional to 11,153,379.20, 16,730,068.80 and 8,319,027.20 is: 12,478,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153,379.20 : 16,730,068.80 = 8,319,027.20 : x
  2. Step 2: Convert to fraction form
    11,153,379.20/16,730,068.80 = 8,319,027.20/x
  3. Step 3: Cross multiply
    11,153,379.20x = 16,730,068.80 × 8,319,027.20
  4. Step 4: Simplify right side
    11,153,379.20x = 139,177,897,405,071.38
  5. Step 5: Solve for x
    x = 139,177,897,405,071.38/11,153,379.20
  6. Step 6: Final answer
    x = 12,478,540.80

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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.