Home / 9,178,641.68-12,666,764.41-5,048,779.21

Finding the Fourth Proportional to 9,178,641.68, 12,666,764.41 and 5,048,779.21

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Solution

The fourth proportional to 9,178,641.68, 12,666,764.41 and 5,048,779.21 is: 6,967,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,641.68 : 12,666,764.41 = 5,048,779.21 : x
  2. Step 2: Convert to fraction form
    9,178,641.68/12,666,764.41 = 5,048,779.21/x
  3. Step 3: Cross multiply
    9,178,641.68x = 12,666,764.41 × 5,048,779.21
  4. Step 4: Simplify right side
    9,178,641.68x = 63,951,696,766,887.05
  5. Step 5: Solve for x
    x = 63,951,696,766,887.05/9,178,641.68
  6. Step 6: Final answer
    x = 6,967,446.71

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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.