Home / 13,376,543.20-20,064,814.80-9,345,464.80

Finding the Fourth Proportional to 13,376,543.20, 20,064,814.80 and 9,345,464.80

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Solution

The fourth proportional to 13,376,543.20, 20,064,814.80 and 9,345,464.80 is: 14,018,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,543.20 : 20,064,814.80 = 9,345,464.80 : x
  2. Step 2: Convert to fraction form
    13,376,543.20/20,064,814.80 = 9,345,464.80/x
  3. Step 3: Cross multiply
    13,376,543.20x = 20,064,814.80 × 9,345,464.80
  4. Step 4: Simplify right side
    13,376,543.20x = 187,515,020,431,919.06
  5. Step 5: Solve for x
    x = 187,515,020,431,919.06/13,376,543.20
  6. Step 6: Final answer
    x = 14,018,197.20

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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.