Home / 18,660,430.08-28,076,025.60-11,093,060.16

Finding the Fourth Proportional to 18,660,430.08, 28,076,025.60 and 11,093,060.16

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Solution

The fourth proportional to 18,660,430.08, 28,076,025.60 and 11,093,060.16 is: 16,690,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660,430.08 : 28,076,025.60 = 11,093,060.16 : x
  2. Step 2: Convert to fraction form
    18,660,430.08/28,076,025.60 = 11,093,060.16/x
  3. Step 3: Cross multiply
    18,660,430.08x = 28,076,025.60 × 11,093,060.16
  4. Step 4: Simplify right side
    18,660,430.08x = 311,449,041,034,500.12
  5. Step 5: Solve for x
    x = 311,449,041,034,500.12/18,660,430.08
  6. Step 6: Final answer
    x = 16,690,346.35

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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.