Home / 12,615,369.90-17,409,217.42-6,814,151.62

Finding the Fourth Proportional to 12,615,369.90, 17,409,217.42 and 6,814,151.62

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Solution

The fourth proportional to 12,615,369.90, 17,409,217.42 and 6,814,151.62 is: 9,403,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,369.90 : 17,409,217.42 = 6,814,151.62 : x
  2. Step 2: Convert to fraction form
    12,615,369.90/17,409,217.42 = 6,814,151.62/x
  3. Step 3: Cross multiply
    12,615,369.90x = 17,409,217.42 × 6,814,151.62
  4. Step 4: Simplify right side
    12,615,369.90x = 118,629,047,024,866.80
  5. Step 5: Solve for x
    x = 118,629,047,024,866.80/12,615,369.90
  6. Step 6: Final answer
    x = 9,403,532.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.