Home / 19,303,480.20-28,948,790.34-7,785,972.66

Finding the Fourth Proportional to 19,303,480.20, 28,948,790.34 and 7,785,972.66

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Solution

The fourth proportional to 19,303,480.20, 28,948,790.34 and 7,785,972.66 is: 11,676,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303,480.20 : 28,948,790.34 = 7,785,972.66 : x
  2. Step 2: Convert to fraction form
    19,303,480.20/28,948,790.34 = 7,785,972.66/x
  3. Step 3: Cross multiply
    19,303,480.20x = 28,948,790.34 × 7,785,972.66
  4. Step 4: Simplify right side
    19,303,480.20x = 225,394,490,127,312.09
  5. Step 5: Solve for x
    x = 225,394,490,127,312.09/19,303,480.20
  6. Step 6: Final answer
    x = 11,676,365.49

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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.