Home / 12,615,783.41-17,409,788.10-6,814,565.20

Finding the Fourth Proportional to 12,615,783.41, 17,409,788.10 and 6,814,565.20

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Solution

The fourth proportional to 12,615,783.41, 17,409,788.10 and 6,814,565.20 is: 9,404,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,783.41 : 17,409,788.10 = 6,814,565.20 : x
  2. Step 2: Convert to fraction form
    12,615,783.41/17,409,788.10 = 6,814,565.20/x
  3. Step 3: Cross multiply
    12,615,783.41x = 17,409,788.10 × 6,814,565.20
  4. Step 4: Simplify right side
    12,615,783.41x = 118,640,136,038,585.19
  5. Step 5: Solve for x
    x = 118,640,136,038,585.19/12,615,783.41
  6. Step 6: Final answer
    x = 9,404,103.75

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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.