Home / 8,077,011.20-12,115,516.80-2,959,431.20

Finding the Fourth Proportional to 8,077,011.20, 12,115,516.80 and 2,959,431.20

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Solution

The fourth proportional to 8,077,011.20, 12,115,516.80 and 2,959,431.20 is: 4,439,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,011.20 : 12,115,516.80 = 2,959,431.20 : x
  2. Step 2: Convert to fraction form
    8,077,011.20/12,115,516.80 = 2,959,431.20/x
  3. Step 3: Cross multiply
    8,077,011.20x = 12,115,516.80 × 2,959,431.20
  4. Step 4: Simplify right side
    8,077,011.20x = 35,855,038,422,044.16
  5. Step 5: Solve for x
    x = 35,855,038,422,044.16/8,077,011.20
  6. Step 6: Final answer
    x = 4,439,146.80

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1.5x scale

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.