Home / 14,091,254.40-19,445,601.78-8,290,409.70

Finding the Fourth Proportional to 14,091,254.40, 19,445,601.78 and 8,290,409.70

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Solution

The fourth proportional to 14,091,254.40, 19,445,601.78 and 8,290,409.70 is: 11,440,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091,254.40 : 19,445,601.78 = 8,290,409.70 : x
  2. Step 2: Convert to fraction form
    14,091,254.40/19,445,601.78 = 8,290,409.70/x
  3. Step 3: Cross multiply
    14,091,254.40x = 19,445,601.78 × 8,290,409.70
  4. Step 4: Simplify right side
    14,091,254.40x = 161,212,005,619,249.28
  5. Step 5: Solve for x
    x = 161,212,005,619,249.28/14,091,254.40
  6. Step 6: Final answer
    x = 11,440,571.65

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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.