Home / 20,000,785.75-27,601,085.28-10,833,428.50

Finding the Fourth Proportional to 20,000,785.75, 27,601,085.28 and 10,833,428.50

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Solution

The fourth proportional to 20,000,785.75, 27,601,085.28 and 10,833,428.50 is: 14,950,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000,785.75 : 27,601,085.28 = 10,833,428.50 : x
  2. Step 2: Convert to fraction form
    20,000,785.75/27,601,085.28 = 10,833,428.50/x
  3. Step 3: Cross multiply
    20,000,785.75x = 27,601,085.28 × 10,833,428.50
  4. Step 4: Simplify right side
    20,000,785.75x = 299,014,383,903,282.50
  5. Step 5: Solve for x
    x = 299,014,383,903,282.50/20,000,785.75
  6. Step 6: Final answer
    x = 14,950,131.84

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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.