Home / 8,958,921.85-12,362,956.05-5,289,020.56

Finding the Fourth Proportional to 8,958,921.85, 12,362,956.05 and 5,289,020.56

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Solution

The fourth proportional to 8,958,921.85, 12,362,956.05 and 5,289,020.56 is: 7,298,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,921.85 : 12,362,956.05 = 5,289,020.56 : x
  2. Step 2: Convert to fraction form
    8,958,921.85/12,362,956.05 = 5,289,020.56/x
  3. Step 3: Cross multiply
    8,958,921.85x = 12,362,956.05 × 5,289,020.56
  4. Step 4: Simplify right side
    8,958,921.85x = 65,387,928,730,826.39
  5. Step 5: Solve for x
    x = 65,387,928,730,826.39/8,958,921.85
  6. Step 6: Final answer
    x = 7,298,638.14

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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.