Home / 16,128,859.20-24,193,288.80-13,105,550.40

Finding the Fourth Proportional to 16,128,859.20, 24,193,288.80 and 13,105,550.40

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Solution

The fourth proportional to 16,128,859.20, 24,193,288.80 and 13,105,550.40 is: 19,658,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,859.20 : 24,193,288.80 = 13,105,550.40 : x
  2. Step 2: Convert to fraction form
    16,128,859.20/24,193,288.80 = 13,105,550.40/x
  3. Step 3: Cross multiply
    16,128,859.20x = 24,193,288.80 × 13,105,550.40
  4. Step 4: Simplify right side
    16,128,859.20x = 317,066,365,710,155.56
  5. Step 5: Solve for x
    x = 317,066,365,710,155.56/16,128,859.20
  6. Step 6: Final answer
    x = 19,658,325.60

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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.