Home / 11,431,731.89-15,775,812.56-6,786,448.67

Finding the Fourth Proportional to 11,431,731.89, 15,775,812.56 and 6,786,448.67

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Solution

The fourth proportional to 11,431,731.89, 15,775,812.56 and 6,786,448.67 is: 9,365,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431,731.89 : 15,775,812.56 = 6,786,448.67 : x
  2. Step 2: Convert to fraction form
    11,431,731.89/15,775,812.56 = 6,786,448.67/x
  3. Step 3: Cross multiply
    11,431,731.89x = 15,775,812.56 × 6,786,448.67
  4. Step 4: Simplify right side
    11,431,731.89x = 107,061,742,222,386.95
  5. Step 5: Solve for x
    x = 107,061,742,222,386.95/11,431,731.89
  6. Step 6: Final answer
    x = 9,365,312.56

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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.