Home / 9,121,394.64-12,587,525.60-4,991,426.66

Finding the Fourth Proportional to 9,121,394.64, 12,587,525.60 and 4,991,426.66

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Solution

The fourth proportional to 9,121,394.64, 12,587,525.60 and 4,991,426.66 is: 6,888,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,394.64 : 12,587,525.60 = 4,991,426.66 : x
  2. Step 2: Convert to fraction form
    9,121,394.64/12,587,525.60 = 4,991,426.66/x
  3. Step 3: Cross multiply
    9,121,394.64x = 12,587,525.60 × 4,991,426.66
  4. Step 4: Simplify right side
    9,121,394.64x = 62,829,710,897,860.95
  5. Step 5: Solve for x
    x = 62,829,710,897,860.95/9,121,394.64
  6. Step 6: Final answer
    x = 6,888,169.34

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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.