Home / 8,256,547.10-12,379,914.90-3,139,351.17

Finding the Fourth Proportional to 8,256,547.10, 12,379,914.90 and 3,139,351.17

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Solution

The fourth proportional to 8,256,547.10, 12,379,914.90 and 3,139,351.17 is: 4,707,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,547.10 : 12,379,914.90 = 3,139,351.17 : x
  2. Step 2: Convert to fraction form
    8,256,547.10/12,379,914.90 = 3,139,351.17/x
  3. Step 3: Cross multiply
    8,256,547.10x = 12,379,914.90 × 3,139,351.17
  4. Step 4: Simplify right side
    8,256,547.10x = 38,864,900,372,240.12
  5. Step 5: Solve for x
    x = 38,864,900,372,240.12/8,256,547.10
  6. Step 6: Final answer
    x = 4,707,161.47

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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.