Home / 8,958,920.85-12,362,954.67-5,289,019.56

Finding the Fourth Proportional to 8,958,920.85, 12,362,954.67 and 5,289,019.56

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Solution

The fourth proportional to 8,958,920.85, 12,362,954.67 and 5,289,019.56 is: 7,298,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,920.85 : 12,362,954.67 = 5,289,019.56 : x
  2. Step 2: Convert to fraction form
    8,958,920.85/12,362,954.67 = 5,289,019.56/x
  3. Step 3: Cross multiply
    8,958,920.85x = 12,362,954.67 × 5,289,019.56
  4. Step 4: Simplify right side
    8,958,920.85x = 65,387,909,069,023.34
  5. Step 5: Solve for x
    x = 65,387,909,069,023.34/8,958,920.85
  6. Step 6: Final answer
    x = 7,298,636.76

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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.