Home / 19,426,132.20-29,147,363.10-10,440,186.60

Finding the Fourth Proportional to 19,426,132.20, 29,147,363.10 and 10,440,186.60

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Solution

The fourth proportional to 19,426,132.20, 29,147,363.10 and 10,440,186.60 is: 15,664,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426,132.20 : 29,147,363.10 = 10,440,186.60 : x
  2. Step 2: Convert to fraction form
    19,426,132.20/29,147,363.10 = 10,440,186.60/x
  3. Step 3: Cross multiply
    19,426,132.20x = 29,147,363.10 × 10,440,186.60
  4. Step 4: Simplify right side
    19,426,132.20x = 304,303,909,661,954.44
  5. Step 5: Solve for x
    x = 304,303,909,661,954.44/19,426,132.20
  6. Step 6: Final answer
    x = 15,664,667.91

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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.