Home / 12,456,669.60-18,685,004.40-11,110,352.40

Finding the Fourth Proportional to 12,456,669.60, 18,685,004.40 and 11,110,352.40

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Solution

The fourth proportional to 12,456,669.60, 18,685,004.40 and 11,110,352.40 is: 16,665,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,669.60 : 18,685,004.40 = 11,110,352.40 : x
  2. Step 2: Convert to fraction form
    12,456,669.60/18,685,004.40 = 11,110,352.40/x
  3. Step 3: Cross multiply
    12,456,669.60x = 18,685,004.40 × 11,110,352.40
  4. Step 4: Simplify right side
    12,456,669.60x = 207,596,983,479,550.56
  5. Step 5: Solve for x
    x = 207,596,983,479,550.56/12,456,669.60
  6. Step 6: Final answer
    x = 16,665,528.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.