Home / 21,631,812.40-29,851,898.72-11,842,226.16

Finding the Fourth Proportional to 21,631,812.40, 29,851,898.72 and 11,842,226.16

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Solution

The fourth proportional to 21,631,812.40, 29,851,898.72 and 11,842,226.16 is: 16,342,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631,812.40 : 29,851,898.72 = 11,842,226.16 : x
  2. Step 2: Convert to fraction form
    21,631,812.40/29,851,898.72 = 11,842,226.16/x
  3. Step 3: Cross multiply
    21,631,812.40x = 29,851,898.72 × 11,842,226.16
  4. Step 4: Simplify right side
    21,631,812.40x = 353,512,935,947,654.50
  5. Step 5: Solve for x
    x = 353,512,935,947,654.50/21,631,812.40
  6. Step 6: Final answer
    x = 16,342,270.79

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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.