Home / 20,476,923.30-28,257,968.10-11,184,491.40

Finding the Fourth Proportional to 20,476,923.30, 28,257,968.10 and 11,184,491.40

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Solution

The fourth proportional to 20,476,923.30, 28,257,968.10 and 11,184,491.40 is: 15,434,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,923.30 : 28,257,968.10 = 11,184,491.40 : x
  2. Step 2: Convert to fraction form
    20,476,923.30/28,257,968.10 = 11,184,491.40/x
  3. Step 3: Cross multiply
    20,476,923.30x = 28,257,968.10 × 11,184,491.40
  4. Step 4: Simplify right side
    20,476,923.30x = 316,051,001,195,924.38
  5. Step 5: Solve for x
    x = 316,051,001,195,924.38/20,476,923.30
  6. Step 6: Final answer
    x = 15,434,496.51

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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.