Home / 12,528,096.90-18,792,145.35-11,881,133.70

Finding the Fourth Proportional to 12,528,096.90, 18,792,145.35 and 11,881,133.70

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Solution

The fourth proportional to 12,528,096.90, 18,792,145.35 and 11,881,133.70 is: 17,821,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,096.90 : 18,792,145.35 = 11,881,133.70 : x
  2. Step 2: Convert to fraction form
    12,528,096.90/18,792,145.35 = 11,881,133.70/x
  3. Step 3: Cross multiply
    12,528,096.90x = 18,792,145.35 × 11,881,133.70
  4. Step 4: Simplify right side
    12,528,096.90x = 223,271,991,413,183.31
  5. Step 5: Solve for x
    x = 223,271,991,413,183.31/12,528,096.90
  6. Step 6: Final answer
    x = 17,821,700.55

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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.