Home / 18,715,094.80-28,072,642.20-6,586,430.20

Finding the Fourth Proportional to 18,715,094.80, 28,072,642.20 and 6,586,430.20

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Solution

The fourth proportional to 18,715,094.80, 28,072,642.20 and 6,586,430.20 is: 9,879,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,094.80 : 28,072,642.20 = 6,586,430.20 : x
  2. Step 2: Convert to fraction form
    18,715,094.80/28,072,642.20 = 6,586,430.20/x
  3. Step 3: Cross multiply
    18,715,094.80x = 28,072,642.20 × 6,586,430.20
  4. Step 4: Simplify right side
    18,715,094.80x = 184,898,498,379,874.44
  5. Step 5: Solve for x
    x = 184,898,498,379,874.44/18,715,094.80
  6. Step 6: Final answer
    x = 9,879,645.30

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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.