Home / 9,053,153.76-12,493,178.95-4,978,772.76

Finding the Fourth Proportional to 9,053,153.76, 12,493,178.95 and 4,978,772.76

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Solution

The fourth proportional to 9,053,153.76, 12,493,178.95 and 4,978,772.76 is: 6,870,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053,153.76 : 12,493,178.95 = 4,978,772.76 : x
  2. Step 2: Convert to fraction form
    9,053,153.76/12,493,178.95 = 4,978,772.76/x
  3. Step 3: Cross multiply
    9,053,153.76x = 12,493,178.95 × 4,978,772.76
  4. Step 4: Simplify right side
    9,053,153.76x = 62,200,699,042,065.40
  5. Step 5: Solve for x
    x = 62,200,699,042,065.40/9,053,153.76
  6. Step 6: Final answer
    x = 6,870,611.14

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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.