Home / 14,500,016.64-20,005,126.05-8,219,870.67

Finding the Fourth Proportional to 14,500,016.64, 20,005,126.05 and 8,219,870.67

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Solution

The fourth proportional to 14,500,016.64, 20,005,126.05 and 8,219,870.67 is: 11,340,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,016.64 : 20,005,126.05 = 8,219,870.67 : x
  2. Step 2: Convert to fraction form
    14,500,016.64/20,005,126.05 = 8,219,870.67/x
  3. Step 3: Cross multiply
    14,500,016.64x = 20,005,126.05 × 8,219,870.67
  4. Step 4: Simplify right side
    14,500,016.64x = 164,439,548,868,047.97
  5. Step 5: Solve for x
    x = 164,439,548,868,047.97/14,500,016.64
  6. Step 6: Final answer
    x = 11,340,645.53

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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.