Home / 8,911,074.09-13,369,489.80-4,121,904.95

Finding the Fourth Proportional to 8,911,074.09, 13,369,489.80 and 4,121,904.95

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Solution

The fourth proportional to 8,911,074.09, 13,369,489.80 and 4,121,904.95 is: 6,184,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,074.09 : 13,369,489.80 = 4,121,904.95 : x
  2. Step 2: Convert to fraction form
    8,911,074.09/13,369,489.80 = 4,121,904.95/x
  3. Step 3: Cross multiply
    8,911,074.09x = 13,369,489.80 × 4,121,904.95
  4. Step 4: Simplify right side
    8,911,074.09x = 55,107,766,153,425.51
  5. Step 5: Solve for x
    x = 55,107,766,153,425.51/8,911,074.09
  6. Step 6: Final answer
    x = 6,184,188.97

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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.