Home / 15,116,317.36-20,860,318.72-8,500,903.84

Finding the Fourth Proportional to 15,116,317.36, 20,860,318.72 and 8,500,903.84

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Solution

The fourth proportional to 15,116,317.36, 20,860,318.72 and 8,500,903.84 is: 11,731,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116,317.36 : 20,860,318.72 = 8,500,903.84 : x
  2. Step 2: Convert to fraction form
    15,116,317.36/20,860,318.72 = 8,500,903.84/x
  3. Step 3: Cross multiply
    15,116,317.36x = 20,860,318.72 × 8,500,903.84
  4. Step 4: Simplify right side
    15,116,317.36x = 177,331,563,510,471.88
  5. Step 5: Solve for x
    x = 177,331,563,510,471.88/15,116,317.36
  6. Step 6: Final answer
    x = 11,731,135.26

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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.