Home / 8,501,426.10-12,752,139.15-8,170,751.70

Finding the Fourth Proportional to 8,501,426.10, 12,752,139.15 and 8,170,751.70

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Solution

The fourth proportional to 8,501,426.10, 12,752,139.15 and 8,170,751.70 is: 12,256,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,426.10 : 12,752,139.15 = 8,170,751.70 : x
  2. Step 2: Convert to fraction form
    8,501,426.10/12,752,139.15 = 8,170,751.70/x
  3. Step 3: Cross multiply
    8,501,426.10x = 12,752,139.15 × 8,170,751.70
  4. Step 4: Simplify right side
    8,501,426.10x = 104,194,562,638,499.06
  5. Step 5: Solve for x
    x = 104,194,562,638,499.06/8,501,426.10
  6. Step 6: Final answer
    x = 12,256,127.55

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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.