Home / 19,303,486.20-28,948,799.34-7,785,978.66

Finding the Fourth Proportional to 19,303,486.20, 28,948,799.34 and 7,785,978.66

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Solution

The fourth proportional to 19,303,486.20, 28,948,799.34 and 7,785,978.66 is: 11,676,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303,486.20 : 28,948,799.34 = 7,785,978.66 : x
  2. Step 2: Convert to fraction form
    19,303,486.20/28,948,799.34 = 7,785,978.66/x
  3. Step 3: Cross multiply
    19,303,486.20x = 28,948,799.34 × 7,785,978.66
  4. Step 4: Simplify right side
    19,303,486.20x = 225,394,733,893,862.09
  5. Step 5: Solve for x
    x = 225,394,733,893,862.09/19,303,486.20
  6. Step 6: Final answer
    x = 11,676,374.49

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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.