Home / 7,127,320.44-10,690,422.82-2,009,543.60

Finding the Fourth Proportional to 7,127,320.44, 10,690,422.82 and 2,009,543.60

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Solution

The fourth proportional to 7,127,320.44, 10,690,422.82 and 2,009,543.60 is: 3,014,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,320.44 : 10,690,422.82 = 2,009,543.60 : x
  2. Step 2: Convert to fraction form
    7,127,320.44/10,690,422.82 = 2,009,543.60/x
  3. Step 3: Cross multiply
    7,127,320.44x = 10,690,422.82 × 2,009,543.60
  4. Step 4: Simplify right side
    7,127,320.44x = 21,482,870,759,224.95
  5. Step 5: Solve for x
    x = 21,482,870,759,224.95/7,127,320.44
  6. Step 6: Final answer
    x = 3,014,158.12

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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.