Home / 19,132,026.64-28,699,439.80-7,772,690.32

Finding the Fourth Proportional to 19,132,026.64, 28,699,439.80 and 7,772,690.32

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Solution

The fourth proportional to 19,132,026.64, 28,699,439.80 and 7,772,690.32 is: 11,659,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,026.64 : 28,699,439.80 = 7,772,690.32 : x
  2. Step 2: Convert to fraction form
    19,132,026.64/28,699,439.80 = 7,772,690.32/x
  3. Step 3: Cross multiply
    19,132,026.64x = 28,699,439.80 × 7,772,690.32
  4. Step 4: Simplify right side
    19,132,026.64x = 223,071,857,922,882.75
  5. Step 5: Solve for x
    x = 223,071,857,922,882.75/19,132,026.64
  6. Step 6: Final answer
    x = 11,659,604.19

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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.