Home / 9,387,705.74-12,952,813.28-5,313,324.74

Finding the Fourth Proportional to 9,387,705.74, 12,952,813.28 and 5,313,324.74

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Solution

The fourth proportional to 9,387,705.74, 12,952,813.28 and 5,313,324.74 is: 7,331,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387,705.74 : 12,952,813.28 = 5,313,324.74 : x
  2. Step 2: Convert to fraction form
    9,387,705.74/12,952,813.28 = 5,313,324.74/x
  3. Step 3: Cross multiply
    9,387,705.74x = 12,952,813.28 × 5,313,324.74
  4. Step 4: Simplify right side
    9,387,705.74x = 68,822,503,161,893.87
  5. Step 5: Solve for x
    x = 68,822,503,161,893.87/9,387,705.74
  6. Step 6: Final answer
    x = 7,331,131.28

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1.5x scale

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.