Home / 8,424,572.78-12,634,448.61-2,745,293.42

Finding the Fourth Proportional to 8,424,572.78, 12,634,448.61 and 2,745,293.42

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Solution

The fourth proportional to 8,424,572.78, 12,634,448.61 and 2,745,293.42 is: 4,117,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,572.78 : 12,634,448.61 = 2,745,293.42 : x
  2. Step 2: Convert to fraction form
    8,424,572.78/12,634,448.61 = 2,745,293.42/x
  3. Step 3: Cross multiply
    8,424,572.78x = 12,634,448.61 × 2,745,293.42
  4. Step 4: Simplify right side
    8,424,572.78x = 34,685,268,634,361.14
  5. Step 5: Solve for x
    x = 34,685,268,634,361.14/8,424,572.78
  6. Step 6: Final answer
    x = 4,117,154.61

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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.