Home / 20,954,765.16-31,432,156.46-9,426,767.30

Finding the Fourth Proportional to 20,954,765.16, 31,432,156.46 and 9,426,767.30

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Solution

The fourth proportional to 20,954,765.16, 31,432,156.46 and 9,426,767.30 is: 14,140,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,765.16 : 31,432,156.46 = 9,426,767.30 : x
  2. Step 2: Convert to fraction form
    20,954,765.16/31,432,156.46 = 9,426,767.30/x
  3. Step 3: Cross multiply
    20,954,765.16x = 31,432,156.46 × 9,426,767.30
  4. Step 4: Simplify right side
    20,954,765.16x = 296,303,624,481,317.12
  5. Step 5: Solve for x
    x = 296,303,624,481,317.12/20,954,765.16
  6. Step 6: Final answer
    x = 14,140,154.86

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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.