Home / 7,138,463.78-10,707,695.40-2,089,774.28

Finding the Fourth Proportional to 7,138,463.78, 10,707,695.40 and 2,089,774.28

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Solution

The fourth proportional to 7,138,463.78, 10,707,695.40 and 2,089,774.28 is: 3,134,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,463.78 : 10,707,695.40 = 2,089,774.28 : x
  2. Step 2: Convert to fraction form
    7,138,463.78/10,707,695.40 = 2,089,774.28/x
  3. Step 3: Cross multiply
    7,138,463.78x = 10,707,695.40 × 2,089,774.28
  4. Step 4: Simplify right side
    7,138,463.78x = 22,376,666,444,994.31
  5. Step 5: Solve for x
    x = 22,376,666,444,994.31/7,138,463.78
  6. Step 6: Final answer
    x = 3,134,661.34

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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.