Home / 8,711,142.85-13,065,862.83-2,645,927.25

Finding the Fourth Proportional to 8,711,142.85, 13,065,862.83 and 2,645,927.25

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Solution

The fourth proportional to 8,711,142.85, 13,065,862.83 and 2,645,927.25 is: 3,968,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,142.85 : 13,065,862.83 = 2,645,927.25 : x
  2. Step 2: Convert to fraction form
    8,711,142.85/13,065,862.83 = 2,645,927.25/x
  3. Step 3: Cross multiply
    8,711,142.85x = 13,065,862.83 × 2,645,927.25
  4. Step 4: Simplify right side
    8,711,142.85x = 34,571,322,506,659.12
  5. Step 5: Solve for x
    x = 34,571,322,506,659.12/8,711,142.85
  6. Step 6: Final answer
    x = 3,968,632.26

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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.