Home / 14,008,879.80-21,017,388.69-5,810,018.49

Finding the Fourth Proportional to 14,008,879.80, 21,017,388.69 and 5,810,018.49

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Solution

The fourth proportional to 14,008,879.80, 21,017,388.69 and 5,810,018.49 is: 8,716,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,879.80 : 21,017,388.69 = 5,810,018.49 : x
  2. Step 2: Convert to fraction form
    14,008,879.80/21,017,388.69 = 5,810,018.49/x
  3. Step 3: Cross multiply
    14,008,879.80x = 21,017,388.69 × 5,810,018.49
  4. Step 4: Simplify right side
    14,008,879.80x = 122,111,416,900,416.89
  5. Step 5: Solve for x
    x = 122,111,416,900,416.89/14,008,879.80
  6. Step 6: Final answer
    x = 8,716,715.30

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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.