Home / 19,165,406.64-28,702,279.92-11,053,790.10

Finding the Fourth Proportional to 19,165,406.64, 28,702,279.92 and 11,053,790.10

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Solution

The fourth proportional to 19,165,406.64, 28,702,279.92 and 11,053,790.10 is: 16,554,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165,406.64 : 28,702,279.92 = 11,053,790.10 : x
  2. Step 2: Convert to fraction form
    19,165,406.64/28,702,279.92 = 11,053,790.10/x
  3. Step 3: Cross multiply
    19,165,406.64x = 28,702,279.92 × 11,053,790.10
  4. Step 4: Simplify right side
    19,165,406.64x = 317,268,977,627,124.81
  5. Step 5: Solve for x
    x = 317,268,977,627,124.81/19,165,406.64
  6. Step 6: Final answer
    x = 16,554,252.34

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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.