Home / 12,096,618.20-18,144,927.40-7,813,597.40

Finding the Fourth Proportional to 12,096,618.20, 18,144,927.40 and 7,813,597.40

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Solution

The fourth proportional to 12,096,618.20, 18,144,927.40 and 7,813,597.40 is: 11,720,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,618.20 : 18,144,927.40 = 7,813,597.40 : x
  2. Step 2: Convert to fraction form
    12,096,618.20/18,144,927.40 = 7,813,597.40/x
  3. Step 3: Cross multiply
    12,096,618.20x = 18,144,927.40 × 7,813,597.40
  4. Step 4: Simplify right side
    12,096,618.20x = 141,777,157,555,828.75
  5. Step 5: Solve for x
    x = 141,777,157,555,828.75/12,096,618.20
  6. Step 6: Final answer
    x = 11,720,396.16

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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.