Home / 7,111,253.45-9,813,555.77-3,848,068.20

Finding the Fourth Proportional to 7,111,253.45, 9,813,555.77 and 3,848,068.20

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Solution

The fourth proportional to 7,111,253.45, 9,813,555.77 and 3,848,068.20 is: 5,310,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,253.45 : 9,813,555.77 = 3,848,068.20 : x
  2. Step 2: Convert to fraction form
    7,111,253.45/9,813,555.77 = 3,848,068.20/x
  3. Step 3: Cross multiply
    7,111,253.45x = 9,813,555.77 × 3,848,068.20
  4. Step 4: Simplify right side
    7,111,253.45x = 37,763,231,868,223.18
  5. Step 5: Solve for x
    x = 37,763,231,868,223.18/7,111,253.45
  6. Step 6: Final answer
    x = 5,310,348.19

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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.