Home / 14,081,609.30-21,094,420.35-7,680,406.10

Finding the Fourth Proportional to 14,081,609.30, 21,094,420.35 and 7,680,406.10

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Solution

The fourth proportional to 14,081,609.30, 21,094,420.35 and 7,680,406.10 is: 11,505,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081,609.30 : 21,094,420.35 = 7,680,406.10 : x
  2. Step 2: Convert to fraction form
    14,081,609.30/21,094,420.35 = 7,680,406.10/x
  3. Step 3: Cross multiply
    14,081,609.30x = 21,094,420.35 × 7,680,406.10
  4. Step 4: Simplify right side
    14,081,609.30x = 162,013,714,732,104.12
  5. Step 5: Solve for x
    x = 162,013,714,732,104.12/14,081,609.30
  6. Step 6: Final answer
    x = 11,505,340.85

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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.