Home / 7,103,989.56-9,796,963.80-4,655,708.64

Finding the Fourth Proportional to 7,103,989.56, 9,796,963.80 and 4,655,708.64

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Solution

The fourth proportional to 7,103,989.56, 9,796,963.80 and 4,655,708.64 is: 6,420,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103,989.56 : 9,796,963.80 = 4,655,708.64 : x
  2. Step 2: Convert to fraction form
    7,103,989.56/9,796,963.80 = 4,655,708.64/x
  3. Step 3: Cross multiply
    7,103,989.56x = 9,796,963.80 × 4,655,708.64
  4. Step 4: Simplify right side
    7,103,989.56x = 45,611,809,009,427.23
  5. Step 5: Solve for x
    x = 45,611,809,009,427.23/7,103,989.56
  6. Step 6: Final answer
    x = 6,420,590.66

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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.