Home / 25,555,253.60-38,332,880.40-12,777,730.40

Finding the Fourth Proportional to 25,555,253.60, 38,332,880.40 and 12,777,730.40

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Solution

The fourth proportional to 25,555,253.60, 38,332,880.40 and 12,777,730.40 is: 19,166,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555,253.60 : 38,332,880.40 = 12,777,730.40 : x
  2. Step 2: Convert to fraction form
    25,555,253.60/38,332,880.40 = 12,777,730.40/x
  3. Step 3: Cross multiply
    25,555,253.60x = 38,332,880.40 × 12,777,730.40
  4. Step 4: Simplify right side
    25,555,253.60x = 489,807,211,206,644.12
  5. Step 5: Solve for x
    x = 489,807,211,206,644.12/25,555,253.60
  6. Step 6: Final answer
    x = 19,166,595.60

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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.