Home / 11,481,792.16-15,860,989.20-10,877,130.40

Finding the Fourth Proportional to 11,481,792.16, 15,860,989.20 and 10,877,130.40

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Solution

The fourth proportional to 11,481,792.16, 15,860,989.20 and 10,877,130.40 is: 15,025,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481,792.16 : 15,860,989.20 = 10,877,130.40 : x
  2. Step 2: Convert to fraction form
    11,481,792.16/15,860,989.20 = 10,877,130.40/x
  3. Step 3: Cross multiply
    11,481,792.16x = 15,860,989.20 × 10,877,130.40
  4. Step 4: Simplify right side
    11,481,792.16x = 172,522,047,801,391.69
  5. Step 5: Solve for x
    x = 172,522,047,801,391.69/11,481,792.16
  6. Step 6: Final answer
    x = 15,025,707.26

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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.