Home / 8,421,790.86-12,631,368.56-2,741,976.90

Finding the Fourth Proportional to 8,421,790.86, 12,631,368.56 and 2,741,976.90

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Solution

The fourth proportional to 8,421,790.86, 12,631,368.56 and 2,741,976.90 is: 4,112,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,790.86 : 12,631,368.56 = 2,741,976.90 : x
  2. Step 2: Convert to fraction form
    8,421,790.86/12,631,368.56 = 2,741,976.90/x
  3. Step 3: Cross multiply
    8,421,790.86x = 12,631,368.56 × 2,741,976.90
  4. Step 4: Simplify right side
    8,421,790.86x = 34,634,920,793,196.38
  5. Step 5: Solve for x
    x = 34,634,920,793,196.38/8,421,790.86
  6. Step 6: Final answer
    x = 4,112,536.32

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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.