Home / 7,884,867.30-11,808,638.55-5,346,780.90

Finding the Fourth Proportional to 7,884,867.30, 11,808,638.55 and 5,346,780.90

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Solution

The fourth proportional to 7,884,867.30, 11,808,638.55 and 5,346,780.90 is: 8,007,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,867.30 : 11,808,638.55 = 5,346,780.90 : x
  2. Step 2: Convert to fraction form
    7,884,867.30/11,808,638.55 = 5,346,780.90/x
  3. Step 3: Cross multiply
    7,884,867.30x = 11,808,638.55 × 5,346,780.90
  4. Step 4: Simplify right side
    7,884,867.30x = 63,138,203,054,143.70
  5. Step 5: Solve for x
    x = 63,138,203,054,143.70/7,884,867.30
  6. Step 6: Final answer
    x = 8,007,516.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.