Home / 6,980,178.42-9,629,497.92-4,078,264.50

Finding the Fourth Proportional to 6,980,178.42, 9,629,497.92 and 4,078,264.50

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Solution

The fourth proportional to 6,980,178.42, 9,629,497.92 and 4,078,264.50 is: 5,626,165.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,178.42 : 9,629,497.92 = 4,078,264.50 : x
  2. Step 2: Convert to fraction form
    6,980,178.42/9,629,497.92 = 4,078,264.50/x
  3. Step 3: Cross multiply
    6,980,178.42x = 9,629,497.92 × 4,078,264.50
  4. Step 4: Simplify right side
    6,980,178.42x = 39,271,639,519,959.84
  5. Step 5: Solve for x
    x = 39,271,639,519,959.84/6,980,178.42
  6. Step 6: Final answer
    x = 5,626,165.57

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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.