Home / 10,215,278.64-14,097,180.81-5,631,764.04

Finding the Fourth Proportional to 10,215,278.64, 14,097,180.81 and 5,631,764.04

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Solution

The fourth proportional to 10,215,278.64, 14,097,180.81 and 5,631,764.04 is: 7,771,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,278.64 : 14,097,180.81 = 5,631,764.04 : x
  2. Step 2: Convert to fraction form
    10,215,278.64/14,097,180.81 = 5,631,764.04/x
  3. Step 3: Cross multiply
    10,215,278.64x = 14,097,180.81 × 5,631,764.04
  4. Step 4: Simplify right side
    10,215,278.64x = 79,391,995,951,136.08
  5. Step 5: Solve for x
    x = 79,391,995,951,136.08/10,215,278.64
  6. Step 6: Final answer
    x = 7,771,887.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.