Home / 9,000,628.62-12,420,772.86-4,870,569.36

Finding the Fourth Proportional to 9,000,628.62, 12,420,772.86 and 4,870,569.36

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Solution

The fourth proportional to 9,000,628.62, 12,420,772.86 and 4,870,569.36 is: 6,721,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,628.62 : 12,420,772.86 = 4,870,569.36 : x
  2. Step 2: Convert to fraction form
    9,000,628.62/12,420,772.86 = 4,870,569.36/x
  3. Step 3: Cross multiply
    9,000,628.62x = 12,420,772.86 × 4,870,569.36
  4. Step 4: Simplify right side
    9,000,628.62x = 60,496,235,719,435.57
  5. Step 5: Solve for x
    x = 60,496,235,719,435.57/9,000,628.62
  6. Step 6: Final answer
    x = 6,721,334.51

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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.