Home / 6,081,904.34-8,348,320.72-5,378,156.90

Finding the Fourth Proportional to 6,081,904.34, 8,348,320.72 and 5,378,156.90

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Solution

The fourth proportional to 6,081,904.34, 8,348,320.72 and 5,378,156.90 is: 7,382,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081,904.34 : 8,348,320.72 = 5,378,156.90 : x
  2. Step 2: Convert to fraction form
    6,081,904.34/8,348,320.72 = 5,378,156.90/x
  3. Step 3: Cross multiply
    6,081,904.34x = 8,348,320.72 × 5,378,156.90
  4. Step 4: Simplify right side
    6,081,904.34x = 44,898,578,616,729.25
  5. Step 5: Solve for x
    x = 44,898,578,616,729.25/6,081,904.34
  6. Step 6: Final answer
    x = 7,382,322.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.