Home / 7,144,572.45-9,860,355.23-4,243,974.78

Finding the Fourth Proportional to 7,144,572.45, 9,860,355.23 and 4,243,974.78

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Solution

The fourth proportional to 7,144,572.45, 9,860,355.23 and 4,243,974.78 is: 5,857,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,572.45 : 9,860,355.23 = 4,243,974.78 : x
  2. Step 2: Convert to fraction form
    7,144,572.45/9,860,355.23 = 4,243,974.78/x
  3. Step 3: Cross multiply
    7,144,572.45x = 9,860,355.23 × 4,243,974.78
  4. Step 4: Simplify right side
    7,144,572.45x = 41,847,098,896,741.23
  5. Step 5: Solve for x
    x = 41,847,098,896,741.23/7,144,572.45
  6. Step 6: Final answer
    x = 5,857,187.28

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1.5x scale

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.