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Finding the Fourth Proportional to 25,375,978.68, 35,018,886 and 13,773,544.80

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Solution

The fourth proportional to 25,375,978.68, 35,018,886 and 13,773,544.80 is: 19,007,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375,978.68 : 35,018,886 = 13,773,544.80 : x
  2. Step 2: Convert to fraction form
    25,375,978.68/35,018,886 = 13,773,544.80/x
  3. Step 3: Cross multiply
    25,375,978.68x = 35,018,886 × 13,773,544.80
  4. Step 4: Simplify right side
    25,375,978.68x = 482,334,195,167,092.81
  5. Step 5: Solve for x
    x = 482,334,195,167,092.81/25,375,978.68
  6. Step 6: Final answer
    x = 19,007,511.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.