Home / 13,411,497.76-18,507,352.56-7,609,933.54

Finding the Fourth Proportional to 13,411,497.76, 18,507,352.56 and 7,609,933.54

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Solution

The fourth proportional to 13,411,497.76, 18,507,352.56 and 7,609,933.54 is: 10,501,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,497.76 : 18,507,352.56 = 7,609,933.54 : x
  2. Step 2: Convert to fraction form
    13,411,497.76/18,507,352.56 = 7,609,933.54/x
  3. Step 3: Cross multiply
    13,411,497.76x = 18,507,352.56 × 7,609,933.54
  4. Step 4: Simplify right side
    13,411,497.76x = 140,839,722,982,948.84
  5. Step 5: Solve for x
    x = 140,839,722,982,948.84/13,411,497.76
  6. Step 6: Final answer
    x = 10,501,416.43

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1.5x scale

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.