Home / 15,017,327,350.88-20,714,485,188.15-8,909,355,567.06

Finding the Fourth Proportional to 15,017,327,350.88, 20,714,485,188.15 and 8,909,355,567.06

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Solution

The fourth proportional to 15,017,327,350.88, 20,714,485,188.15 and 8,909,355,567.06 is: 12,289,318,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,327,350.88 : 20,714,485,188.15 = 8,909,355,567.06 : x
  2. Step 2: Convert to fraction form
    15,017,327,350.88/20,714,485,188.15 = 8,909,355,567.06/x
  3. Step 3: Cross multiply
    15,017,327,350.88x = 20,714,485,188.15 × 8,909,355,567.06
  4. Step 4: Simplify right side
    15,017,327,350.88x = 184,552,713,929,826,107,392
  5. Step 5: Solve for x
    x = 184,552,713,929,826,107,392/15,017,327,350.88
  6. Step 6: Final answer
    x = 12,289,318,173.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.