Home / 19,418,563.20-29,136,009.60-10,432,617.60

Finding the Fourth Proportional to 19,418,563.20, 29,136,009.60 and 10,432,617.60

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Solution

The fourth proportional to 19,418,563.20, 29,136,009.60 and 10,432,617.60 is: 15,653,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418,563.20 : 29,136,009.60 = 10,432,617.60 : x
  2. Step 2: Convert to fraction form
    19,418,563.20/29,136,009.60 = 10,432,617.60/x
  3. Step 3: Cross multiply
    19,418,563.20x = 29,136,009.60 × 10,432,617.60
  4. Step 4: Simplify right side
    19,418,563.20x = 303,964,846,546,728.94
  5. Step 5: Solve for x
    x = 303,964,846,546,728.94/19,418,563.20
  6. Step 6: Final answer
    x = 15,653,312.94

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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.