Home / 8,407,764.23-12,609,710.78-3,290,315.45

Finding the Fourth Proportional to 8,407,764.23, 12,609,710.78 and 3,290,315.45

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Solution

The fourth proportional to 8,407,764.23, 12,609,710.78 and 3,290,315.45 is: 4,934,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407,764.23 : 12,609,710.78 = 3,290,315.45 : x
  2. Step 2: Convert to fraction form
    8,407,764.23/12,609,710.78 = 3,290,315.45/x
  3. Step 3: Cross multiply
    8,407,764.23x = 12,609,710.78 × 3,290,315.45
  4. Step 4: Simplify right side
    8,407,764.23x = 41,489,926,119,965.42
  5. Step 5: Solve for x
    x = 41,489,926,119,965.42/8,407,764.23
  6. Step 6: Final answer
    x = 4,934,715.70

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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.