Home / 14,639,137.48-20,202,055.86-8,112,876.76

Finding the Fourth Proportional to 14,639,137.48, 20,202,055.86 and 8,112,876.76

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Solution

The fourth proportional to 14,639,137.48, 20,202,055.86 and 8,112,876.76 is: 11,195,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639,137.48 : 20,202,055.86 = 8,112,876.76 : x
  2. Step 2: Convert to fraction form
    14,639,137.48/20,202,055.86 = 8,112,876.76/x
  3. Step 3: Cross multiply
    14,639,137.48x = 20,202,055.86 × 8,112,876.76
  4. Step 4: Simplify right side
    14,639,137.48x = 163,896,789,490,815.81
  5. Step 5: Solve for x
    x = 163,896,789,490,815.81/14,639,137.48
  6. Step 6: Final answer
    x = 11,195,795.50

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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.