Home / 7,121,513.52-9,817,927.82-4,506,716.88

Finding the Fourth Proportional to 7,121,513.52, 9,817,927.82 and 4,506,716.88

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Solution

The fourth proportional to 7,121,513.52, 9,817,927.82 and 4,506,716.88 is: 6,213,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,513.52 : 9,817,927.82 = 4,506,716.88 : x
  2. Step 2: Convert to fraction form
    7,121,513.52/9,817,927.82 = 4,506,716.88/x
  3. Step 3: Cross multiply
    7,121,513.52x = 9,817,927.82 × 4,506,716.88
  4. Step 4: Simplify right side
    7,121,513.52x = 44,246,621,033,015.60
  5. Step 5: Solve for x
    x = 44,246,621,033,015.60/7,121,513.52
  6. Step 6: Final answer
    x = 6,213,092.33

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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.