Home / 12,615,899.30-17,409,948.66-6,814,683.60

Finding the Fourth Proportional to 12,615,899.30, 17,409,948.66 and 6,814,683.60

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Solution

The fourth proportional to 12,615,899.30, 17,409,948.66 and 6,814,683.60 is: 9,404,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,899.30 : 17,409,948.66 = 6,814,683.60 : x
  2. Step 2: Convert to fraction form
    12,615,899.30/17,409,948.66 = 6,814,683.60/x
  3. Step 3: Cross multiply
    12,615,899.30x = 17,409,948.66 × 6,814,683.60
  4. Step 4: Simplify right side
    12,615,899.30x = 118,643,291,610,143.97
  5. Step 5: Solve for x
    x = 118,643,291,610,143.97/12,615,899.30
  6. Step 6: Final answer
    x = 9,404,267.49

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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.