Home / 20,110,798.64-30,168,997.32-6,464,365.76

Finding the Fourth Proportional to 20,110,798.64, 30,168,997.32 and 6,464,365.76

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Solution

The fourth proportional to 20,110,798.64, 30,168,997.32 and 6,464,365.76 is: 9,697,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,798.64 : 30,168,997.32 = 6,464,365.76 : x
  2. Step 2: Convert to fraction form
    20,110,798.64/30,168,997.32 = 6,464,365.76/x
  3. Step 3: Cross multiply
    20,110,798.64x = 30,168,997.32 × 6,464,365.76
  4. Step 4: Simplify right side
    20,110,798.64x = 195,023,433,288,939.75
  5. Step 5: Solve for x
    x = 195,023,433,288,939.75/20,110,798.64
  6. Step 6: Final answer
    x = 9,697,448.46

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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.