Home / 8,300,970.40-12,425,917.50-5,416,125.43

Finding the Fourth Proportional to 8,300,970.40, 12,425,917.50 and 5,416,125.43

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Solution

The fourth proportional to 8,300,970.40, 12,425,917.50 and 5,416,125.43 is: 8,107,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,970.40 : 12,425,917.50 = 5,416,125.43 : x
  2. Step 2: Convert to fraction form
    8,300,970.40/12,425,917.50 = 5,416,125.43/x
  3. Step 3: Cross multiply
    8,300,970.40x = 12,425,917.50 × 5,416,125.43
  4. Step 4: Simplify right side
    8,300,970.40x = 67,300,327,762,832.02
  5. Step 5: Solve for x
    x = 67,300,327,762,832.02/8,300,970.40
  6. Step 6: Final answer
    x = 8,107,525.33

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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.