Home / 8,749,888.20-13,124,832.30-8,218,009.80

Finding the Fourth Proportional to 8,749,888.20, 13,124,832.30 and 8,218,009.80

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Solution

The fourth proportional to 8,749,888.20, 13,124,832.30 and 8,218,009.80 is: 12,327,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,888.20 : 13,124,832.30 = 8,218,009.80 : x
  2. Step 2: Convert to fraction form
    8,749,888.20/13,124,832.30 = 8,218,009.80/x
  3. Step 3: Cross multiply
    8,749,888.20x = 13,124,832.30 × 8,218,009.80
  4. Step 4: Simplify right side
    8,749,888.20x = 107,860,000,464,756.55
  5. Step 5: Solve for x
    x = 107,860,000,464,756.55/8,749,888.20
  6. Step 6: Final answer
    x = 12,327,014.70

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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.