Home / 14,081,609.80-21,094,421.10-7,680,406.60

Finding the Fourth Proportional to 14,081,609.80, 21,094,421.10 and 7,680,406.60

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Solution

The fourth proportional to 14,081,609.80, 21,094,421.10 and 7,680,406.60 is: 11,505,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081,609.80 : 21,094,421.10 = 7,680,406.60 : x
  2. Step 2: Convert to fraction form
    14,081,609.80/21,094,421.10 = 7,680,406.60/x
  3. Step 3: Cross multiply
    14,081,609.80x = 21,094,421.10 × 7,680,406.60
  4. Step 4: Simplify right side
    14,081,609.80x = 162,013,731,039,619.25
  5. Step 5: Solve for x
    x = 162,013,731,039,619.25/14,081,609.80
  6. Step 6: Final answer
    x = 11,505,341.60

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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.