Home / 13,309,214.04-18,366,770.72-7,197,642.52

Finding the Fourth Proportional to 13,309,214.04, 18,366,770.72 and 7,197,642.52

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Solution

The fourth proportional to 13,309,214.04, 18,366,770.72 and 7,197,642.52 is: 9,932,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,214.04 : 18,366,770.72 = 7,197,642.52 : x
  2. Step 2: Convert to fraction form
    13,309,214.04/18,366,770.72 = 7,197,642.52/x
  3. Step 3: Cross multiply
    13,309,214.04x = 18,366,770.72 × 7,197,642.52
  4. Step 4: Simplify right side
    13,309,214.04x = 132,197,449,889,363
  5. Step 5: Solve for x
    x = 132,197,449,889,363/13,309,214.04
  6. Step 6: Final answer
    x = 9,932,776.61

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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.