Home / 8,077,207.20-12,115,810.80-5,809,725.60

Finding the Fourth Proportional to 8,077,207.20, 12,115,810.80 and 5,809,725.60

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Solution

The fourth proportional to 8,077,207.20, 12,115,810.80 and 5,809,725.60 is: 8,714,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,207.20 : 12,115,810.80 = 5,809,725.60 : x
  2. Step 2: Convert to fraction form
    8,077,207.20/12,115,810.80 = 5,809,725.60/x
  3. Step 3: Cross multiply
    8,077,207.20x = 12,115,810.80 × 5,809,725.60
  4. Step 4: Simplify right side
    8,077,207.20x = 70,389,536,169,516.48
  5. Step 5: Solve for x
    x = 70,389,536,169,516.48/8,077,207.20
  6. Step 6: Final answer
    x = 8,714,588.40

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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.