Home / 10,643,811.89-15,969,860.14-4,255,891.07

Finding the Fourth Proportional to 10,643,811.89, 15,969,860.14 and 4,255,891.07

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Solution

The fourth proportional to 10,643,811.89, 15,969,860.14 and 4,255,891.07 is: 6,385,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,811.89 : 15,969,860.14 = 4,255,891.07 : x
  2. Step 2: Convert to fraction form
    10,643,811.89/15,969,860.14 = 4,255,891.07/x
  3. Step 3: Cross multiply
    10,643,811.89x = 15,969,860.14 × 4,255,891.07
  4. Step 4: Simplify right side
    10,643,811.89x = 67,965,985,088,433.29
  5. Step 5: Solve for x
    x = 67,965,985,088,433.29/10,643,811.89
  6. Step 6: Final answer
    x = 6,385,492.89

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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.