Home / 7,266,471.72-10,899,652.90-1,874,663.79

Finding the Fourth Proportional to 7,266,471.72, 10,899,652.90 and 1,874,663.79

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Solution

The fourth proportional to 7,266,471.72, 10,899,652.90 and 1,874,663.79 is: 2,811,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266,471.72 : 10,899,652.90 = 1,874,663.79 : x
  2. Step 2: Convert to fraction form
    7,266,471.72/10,899,652.90 = 1,874,663.79/x
  3. Step 3: Cross multiply
    7,266,471.72x = 10,899,652.90 × 1,874,663.79
  4. Step 4: Simplify right side
    7,266,471.72x = 20,433,184,551,326.91
  5. Step 5: Solve for x
    x = 20,433,184,551,326.91/7,266,471.72
  6. Step 6: Final answer
    x = 2,811,981.57

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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.