Home / 21,595,867.92-32,401,983.96-12,965,995.08

Finding the Fourth Proportional to 21,595,867.92, 32,401,983.96 and 12,965,995.08

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Solution

The fourth proportional to 21,595,867.92, 32,401,983.96 and 12,965,995.08 is: 19,453,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595,867.92 : 32,401,983.96 = 12,965,995.08 : x
  2. Step 2: Convert to fraction form
    21,595,867.92/32,401,983.96 = 12,965,995.08/x
  3. Step 3: Cross multiply
    21,595,867.92x = 32,401,983.96 × 12,965,995.08
  4. Step 4: Simplify right side
    21,595,867.92x = 420,123,964,607,598.94
  5. Step 5: Solve for x
    x = 420,123,964,607,598.94/21,595,867.92
  6. Step 6: Final answer
    x = 19,453,905.08

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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.