Home / 28,975,638.87-39,977,661.75-17,368,967.43

Finding the Fourth Proportional to 28,975,638.87, 39,977,661.75 and 17,368,967.43

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Solution

The fourth proportional to 28,975,638.87, 39,977,661.75 and 17,368,967.43 is: 23,963,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,638.87 : 39,977,661.75 = 17,368,967.43 : x
  2. Step 2: Convert to fraction form
    28,975,638.87/39,977,661.75 = 17,368,967.43/x
  3. Step 3: Cross multiply
    28,975,638.87x = 39,977,661.75 × 17,368,967.43
  4. Step 4: Simplify right side
    28,975,638.87x = 694,370,704,863,306.75
  5. Step 5: Solve for x
    x = 694,370,704,863,306.75/28,975,638.87
  6. Step 6: Final answer
    x = 23,963,948.06

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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.