Home / 14,039,481.72-19,374,612.84-8,238,360.18

Finding the Fourth Proportional to 14,039,481.72, 19,374,612.84 and 8,238,360.18

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Solution

The fourth proportional to 14,039,481.72, 19,374,612.84 and 8,238,360.18 is: 11,369,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039,481.72 : 19,374,612.84 = 8,238,360.18 : x
  2. Step 2: Convert to fraction form
    14,039,481.72/19,374,612.84 = 8,238,360.18/x
  3. Step 3: Cross multiply
    14,039,481.72x = 19,374,612.84 × 8,238,360.18
  4. Step 4: Simplify right side
    14,039,481.72x = 159,615,038,923,972.72
  5. Step 5: Solve for x
    x = 159,615,038,923,972.72/14,039,481.72
  6. Step 6: Final answer
    x = 11,369,012.20

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1.5x scale

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.