Home / 11,146,643.80-16,719,965.70-9,446,032.60

Finding the Fourth Proportional to 11,146,643.80, 16,719,965.70 and 9,446,032.60

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Solution

The fourth proportional to 11,146,643.80, 16,719,965.70 and 9,446,032.60 is: 14,169,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,643.80 : 16,719,965.70 = 9,446,032.60 : x
  2. Step 2: Convert to fraction form
    11,146,643.80/16,719,965.70 = 9,446,032.60/x
  3. Step 3: Cross multiply
    11,146,643.80x = 16,719,965.70 × 9,446,032.60
  4. Step 4: Simplify right side
    11,146,643.80x = 157,937,341,073,081.81
  5. Step 5: Solve for x
    x = 157,937,341,073,081.81/11,146,643.80
  6. Step 6: Final answer
    x = 14,169,048.90

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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.