Home / 18,888,323.70-28,332,485.55-14,778,513.30

Finding the Fourth Proportional to 18,888,323.70, 28,332,485.55 and 14,778,513.30

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Solution

The fourth proportional to 18,888,323.70, 28,332,485.55 and 14,778,513.30 is: 22,167,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,323.70 : 28,332,485.55 = 14,778,513.30 : x
  2. Step 2: Convert to fraction form
    18,888,323.70/28,332,485.55 = 14,778,513.30/x
  3. Step 3: Cross multiply
    18,888,323.70x = 28,332,485.55 × 14,778,513.30
  4. Step 4: Simplify right side
    18,888,323.70x = 418,712,014,522,732.88
  5. Step 5: Solve for x
    x = 418,712,014,522,732.88/18,888,323.70
  6. Step 6: Final answer
    x = 22,167,769.95

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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.