Home / 19,194,945.21-28,792,417.68-6,415,449.93

Finding the Fourth Proportional to 19,194,945.21, 28,792,417.68 and 6,415,449.93

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Solution

The fourth proportional to 19,194,945.21, 28,792,417.68 and 6,415,449.93 is: 9,623,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194,945.21 : 28,792,417.68 = 6,415,449.93 : x
  2. Step 2: Convert to fraction form
    19,194,945.21/28,792,417.68 = 6,415,449.93/x
  3. Step 3: Cross multiply
    19,194,945.21x = 28,792,417.68 × 6,415,449.93
  4. Step 4: Simplify right side
    19,194,945.21x = 184,716,313,989,686.75
  5. Step 5: Solve for x
    x = 184,716,313,989,686.75/19,194,945.21
  6. Step 6: Final answer
    x = 9,623,174.85

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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.