Home / 21,115,650.36-31,674,913.38-6,739,800.24

Finding the Fourth Proportional to 21,115,650.36, 31,674,913.38 and 6,739,800.24

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Solution

The fourth proportional to 21,115,650.36, 31,674,913.38 and 6,739,800.24 is: 10,110,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,115,650.36 : 31,674,913.38 = 6,739,800.24 : x
  2. Step 2: Convert to fraction form
    21,115,650.36/31,674,913.38 = 6,739,800.24/x
  3. Step 3: Cross multiply
    21,115,650.36x = 31,674,913.38 × 6,739,800.24
  4. Step 4: Simplify right side
    21,115,650.36x = 213,482,588,800,503.22
  5. Step 5: Solve for x
    x = 213,482,588,800,503.22/21,115,650.36
  6. Step 6: Final answer
    x = 10,110,159.30

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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.