Home / 28,488,569.03-39,314,170.31-15,436,181.24

Finding the Fourth Proportional to 28,488,569.03, 39,314,170.31 and 15,436,181.24

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Solution

The fourth proportional to 28,488,569.03, 39,314,170.31 and 15,436,181.24 is: 21,301,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,569.03 : 39,314,170.31 = 15,436,181.24 : x
  2. Step 2: Convert to fraction form
    28,488,569.03/39,314,170.31 = 15,436,181.24/x
  3. Step 3: Cross multiply
    28,488,569.03x = 39,314,170.31 × 15,436,181.24
  4. Step 4: Simplify right side
    28,488,569.03x = 606,860,658,008,816.12
  5. Step 5: Solve for x
    x = 606,860,658,008,816.12/28,488,569.03
  6. Step 6: Final answer
    x = 21,301,900.33

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Why These Related Problems?

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