Home / 21,386,516.88-32,066,964.36-6,807,138.96

Finding the Fourth Proportional to 21,386,516.88, 32,066,964.36 and 6,807,138.96

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Solution

The fourth proportional to 21,386,516.88, 32,066,964.36 and 6,807,138.96 is: 10,206,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,516.88 : 32,066,964.36 = 6,807,138.96 : x
  2. Step 2: Convert to fraction form
    21,386,516.88/32,066,964.36 = 6,807,138.96/x
  3. Step 3: Cross multiply
    21,386,516.88x = 32,066,964.36 × 6,807,138.96
  4. Step 4: Simplify right side
    21,386,516.88x = 218,284,282,423,887.47
  5. Step 5: Solve for x
    x = 218,284,282,423,887.47/21,386,516.88
  6. Step 6: Final answer
    x = 10,206,630.82

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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.