Home / 8,256,547.85-12,379,916.03-3,139,351.93

Finding the Fourth Proportional to 8,256,547.85, 12,379,916.03 and 3,139,351.93

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Solution

The fourth proportional to 8,256,547.85, 12,379,916.03 and 3,139,351.93 is: 4,707,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,547.85 : 12,379,916.03 = 3,139,351.93 : x
  2. Step 2: Convert to fraction form
    8,256,547.85/12,379,916.03 = 3,139,351.93/x
  3. Step 3: Cross multiply
    8,256,547.85x = 12,379,916.03 × 3,139,351.93
  4. Step 4: Simplify right side
    8,256,547.85x = 38,864,913,235,371.89
  5. Step 5: Solve for x
    x = 38,864,913,235,371.89/8,256,547.85
  6. Step 6: Final answer
    x = 4,707,162.60

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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.