Home / 22,572,122.74-31,151,450.45-12,784,308.14

Finding the Fourth Proportional to 22,572,122.74, 31,151,450.45 and 12,784,308.14

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Solution

The fourth proportional to 22,572,122.74, 31,151,450.45 and 12,784,308.14 is: 17,643,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,122.74 : 31,151,450.45 = 12,784,308.14 : x
  2. Step 2: Convert to fraction form
    22,572,122.74/31,151,450.45 = 12,784,308.14/x
  3. Step 3: Cross multiply
    22,572,122.74x = 31,151,450.45 × 12,784,308.14
  4. Step 4: Simplify right side
    22,572,122.74x = 398,249,741,560,741.69
  5. Step 5: Solve for x
    x = 398,249,741,560,741.69/22,572,122.74
  6. Step 6: Final answer
    x = 17,643,433.28

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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.