Home / 10,609,005.35-15,913,619.21-8,492,543.39

Finding the Fourth Proportional to 10,609,005.35, 15,913,619.21 and 8,492,543.39

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Solution

The fourth proportional to 10,609,005.35, 15,913,619.21 and 8,492,543.39 is: 12,738,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609,005.35 : 15,913,619.21 = 8,492,543.39 : x
  2. Step 2: Convert to fraction form
    10,609,005.35/15,913,619.21 = 8,492,543.39/x
  3. Step 3: Cross multiply
    10,609,005.35x = 15,913,619.21 × 8,492,543.39
  4. Step 4: Simplify right side
    10,609,005.35x = 135,147,101,693,877.94
  5. Step 5: Solve for x
    x = 135,147,101,693,877.94/10,609,005.35
  6. Step 6: Final answer
    x = 12,738,904.09

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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.