Home / 9,053,153.40-12,493,178.44-4,978,772.40

Finding the Fourth Proportional to 9,053,153.40, 12,493,178.44 and 4,978,772.40

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Solution

The fourth proportional to 9,053,153.40, 12,493,178.44 and 4,978,772.40 is: 6,870,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053,153.40 : 12,493,178.44 = 4,978,772.40 : x
  2. Step 2: Convert to fraction form
    9,053,153.40/12,493,178.44 = 4,978,772.40/x
  3. Step 3: Cross multiply
    9,053,153.40x = 12,493,178.44 × 4,978,772.40
  4. Step 4: Simplify right side
    9,053,153.40x = 62,200,692,005,347.05
  5. Step 5: Solve for x
    x = 62,200,692,005,347.05/9,053,153.40
  6. Step 6: Final answer
    x = 6,870,610.63

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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.