Home / 8,383,420.02-12,575,128.41-3,587,999.70

Finding the Fourth Proportional to 8,383,420.02, 12,575,128.41 and 3,587,999.70

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Solution

The fourth proportional to 8,383,420.02, 12,575,128.41 and 3,587,999.70 is: 5,381,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,420.02 : 12,575,128.41 = 3,587,999.70 : x
  2. Step 2: Convert to fraction form
    8,383,420.02/12,575,128.41 = 3,587,999.70/x
  3. Step 3: Cross multiply
    8,383,420.02x = 12,575,128.41 × 3,587,999.70
  4. Step 4: Simplify right side
    8,383,420.02x = 45,119,556,962,541.48
  5. Step 5: Solve for x
    x = 45,119,556,962,541.48/8,383,420.02
  6. Step 6: Final answer
    x = 5,381,998.86

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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.