Home / 20,537,689.33-28,341,907.33-11,245,090.57

Finding the Fourth Proportional to 20,537,689.33, 28,341,907.33 and 11,245,090.57

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Solution

The fourth proportional to 20,537,689.33, 28,341,907.33 and 11,245,090.57 is: 15,518,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537,689.33 : 28,341,907.33 = 11,245,090.57 : x
  2. Step 2: Convert to fraction form
    20,537,689.33/28,341,907.33 = 11,245,090.57/x
  3. Step 3: Cross multiply
    20,537,689.33x = 28,341,907.33 × 11,245,090.57
  4. Step 4: Simplify right side
    20,537,689.33x = 318,707,314,852,396.88
  5. Step 5: Solve for x
    x = 318,707,314,852,396.88/20,537,689.33
  6. Step 6: Final answer
    x = 15,518,168.07

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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.