Home / 5,643,101.16-7,787,987.40-3,196,307.32

Finding the Fourth Proportional to 5,643,101.16, 7,787,987.40 and 3,196,307.32

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Solution

The fourth proportional to 5,643,101.16, 7,787,987.40 and 3,196,307.32 is: 4,411,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643,101.16 : 7,787,987.40 = 3,196,307.32 : x
  2. Step 2: Convert to fraction form
    5,643,101.16/7,787,987.40 = 3,196,307.32/x
  3. Step 3: Cross multiply
    5,643,101.16x = 7,787,987.40 × 3,196,307.32
  4. Step 4: Simplify right side
    5,643,101.16x = 24,892,801,134,687.77
  5. Step 5: Solve for x
    x = 24,892,801,134,687.77/5,643,101.16
  6. Step 6: Final answer
    x = 4,411,191.72

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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.