Home / 12,303,012.40-18,454,518.60-3,783,335.20

Finding the Fourth Proportional to 12,303,012.40, 18,454,518.60 and 3,783,335.20

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Solution

The fourth proportional to 12,303,012.40, 18,454,518.60 and 3,783,335.20 is: 5,675,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,012.40 : 18,454,518.60 = 3,783,335.20 : x
  2. Step 2: Convert to fraction form
    12,303,012.40/18,454,518.60 = 3,783,335.20/x
  3. Step 3: Cross multiply
    12,303,012.40x = 18,454,518.60 × 3,783,335.20
  4. Step 4: Simplify right side
    12,303,012.40x = 69,819,629,818,434.73
  5. Step 5: Solve for x
    x = 69,819,629,818,434.73/12,303,012.40
  6. Step 6: Final answer
    x = 5,675,002.80

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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.