Home / 7,875,733.10-11,789,980.05-4,679,213.90

Finding the Fourth Proportional to 7,875,733.10, 11,789,980.05 and 4,679,213.90

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Solution

The fourth proportional to 7,875,733.10, 11,789,980.05 and 4,679,213.90 is: 7,004,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,733.10 : 11,789,980.05 = 4,679,213.90 : x
  2. Step 2: Convert to fraction form
    7,875,733.10/11,789,980.05 = 4,679,213.90/x
  3. Step 3: Cross multiply
    7,875,733.10x = 11,789,980.05 × 4,679,213.90
  4. Step 4: Simplify right side
    7,875,733.10x = 55,167,838,530,682.70
  5. Step 5: Solve for x
    x = 55,167,838,530,682.70/7,875,733.10
  6. Step 6: Final answer
    x = 7,004,787.72

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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.