Home / 20,776,652.87-28,671,280.46-11,357,025.17

Finding the Fourth Proportional to 20,776,652.87, 28,671,280.46 and 11,357,025.17

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Solution

The fourth proportional to 20,776,652.87, 28,671,280.46 and 11,357,025.17 is: 15,672,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,652.87 : 28,671,280.46 = 11,357,025.17 : x
  2. Step 2: Convert to fraction form
    20,776,652.87/28,671,280.46 = 11,357,025.17/x
  3. Step 3: Cross multiply
    20,776,652.87x = 28,671,280.46 × 11,357,025.17
  4. Step 4: Simplify right side
    20,776,652.87x = 325,620,453,682,796.44
  5. Step 5: Solve for x
    x = 325,620,453,682,796.44/20,776,652.87
  6. Step 6: Final answer
    x = 15,672,421.14

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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.