Home / 7,162,963.68-9,884,591.28-3,943,492.32

Finding the Fourth Proportional to 7,162,963.68, 9,884,591.28 and 3,943,492.32

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Solution

The fourth proportional to 7,162,963.68, 9,884,591.28 and 3,943,492.32 is: 5,441,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162,963.68 : 9,884,591.28 = 3,943,492.32 : x
  2. Step 2: Convert to fraction form
    7,162,963.68/9,884,591.28 = 3,943,492.32/x
  3. Step 3: Cross multiply
    7,162,963.68x = 9,884,591.28 × 3,943,492.32
  4. Step 4: Simplify right side
    7,162,963.68x = 38,979,809,799,018.97
  5. Step 5: Solve for x
    x = 38,979,809,799,018.97/7,162,963.68
  6. Step 6: Final answer
    x = 5,441,855.01

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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.