Home / 7,147,920.20-10,721,880.30-4,306,569.80

Finding the Fourth Proportional to 7,147,920.20, 10,721,880.30 and 4,306,569.80

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Solution

The fourth proportional to 7,147,920.20, 10,721,880.30 and 4,306,569.80 is: 6,459,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,920.20 : 10,721,880.30 = 4,306,569.80 : x
  2. Step 2: Convert to fraction form
    7,147,920.20/10,721,880.30 = 4,306,569.80/x
  3. Step 3: Cross multiply
    7,147,920.20x = 10,721,880.30 × 4,306,569.80
  4. Step 4: Simplify right side
    7,147,920.20x = 46,174,525,899,194.94
  5. Step 5: Solve for x
    x = 46,174,525,899,194.94/7,147,920.20
  6. Step 6: Final answer
    x = 6,459,854.70

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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.