Home / 15,280,069.86-21,086,051.94-8,404,550.10

Finding the Fourth Proportional to 15,280,069.86, 21,086,051.94 and 8,404,550.10

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Solution

The fourth proportional to 15,280,069.86, 21,086,051.94 and 8,404,550.10 is: 11,598,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,069.86 : 21,086,051.94 = 8,404,550.10 : x
  2. Step 2: Convert to fraction form
    15,280,069.86/21,086,051.94 = 8,404,550.10/x
  3. Step 3: Cross multiply
    15,280,069.86x = 21,086,051.94 × 8,404,550.10
  4. Step 4: Simplify right side
    15,280,069.86x = 177,218,779,940,932.19
  5. Step 5: Solve for x
    x = 177,218,779,940,932.19/15,280,069.86
  6. Step 6: Final answer
    x = 11,598,034.67

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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.