Home / 11,153,607.20-16,746,999.60-8,632,109.60

Finding the Fourth Proportional to 11,153,607.20, 16,746,999.60 and 8,632,109.60

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Solution

The fourth proportional to 11,153,607.20, 16,746,999.60 and 8,632,109.60 is: 12,961,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153,607.20 : 16,746,999.60 = 8,632,109.60 : x
  2. Step 2: Convert to fraction form
    11,153,607.20/16,746,999.60 = 8,632,109.60/x
  3. Step 3: Cross multiply
    11,153,607.20x = 16,746,999.60 × 8,632,109.60
  4. Step 4: Simplify right side
    11,153,607.20x = 144,561,936,018,356.16
  5. Step 5: Solve for x
    x = 144,561,936,018,356.16/11,153,607.20
  6. Step 6: Final answer
    x = 12,961,002.97

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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.