Home / 22,017,507.60-30,394,328.88-13,201,131.12

Finding the Fourth Proportional to 22,017,507.60, 30,394,328.88 and 13,201,131.12

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Solution

The fourth proportional to 22,017,507.60, 30,394,328.88 and 13,201,131.12 is: 18,223,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017,507.60 : 30,394,328.88 = 13,201,131.12 : x
  2. Step 2: Convert to fraction form
    22,017,507.60/30,394,328.88 = 13,201,131.12/x
  3. Step 3: Cross multiply
    22,017,507.60x = 30,394,328.88 × 13,201,131.12
  4. Step 4: Simplify right side
    22,017,507.60x = 401,239,520,849,282.69
  5. Step 5: Solve for x
    x = 401,239,520,849,282.69/22,017,507.60
  6. Step 6: Final answer
    x = 18,223,657.65

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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.