Home / 13,989,017-20,960,327.56-8,507,531.81

Finding the Fourth Proportional to 13,989,017, 20,960,327.56 and 8,507,531.81

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Solution

The fourth proportional to 13,989,017, 20,960,327.56 and 8,507,531.81 is: 12,747,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,017 : 20,960,327.56 = 8,507,531.81 : x
  2. Step 2: Convert to fraction form
    13,989,017/20,960,327.56 = 8,507,531.81/x
  3. Step 3: Cross multiply
    13,989,017x = 20,960,327.56 × 8,507,531.81
  4. Step 4: Simplify right side
    13,989,017x = 178,320,653,464,719.69
  5. Step 5: Solve for x
    x = 178,320,653,464,719.69/13,989,017
  6. Step 6: Final answer
    x = 12,747,189.70

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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.