Home / 19,095,990.66-28,643,705.52-4,719,058.07

Finding the Fourth Proportional to 19,095,990.66, 28,643,705.52 and 4,719,058.07

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Solution

The fourth proportional to 19,095,990.66, 28,643,705.52 and 4,719,058.07 is: 7,078,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095,990.66 : 28,643,705.52 = 4,719,058.07 : x
  2. Step 2: Convert to fraction form
    19,095,990.66/28,643,705.52 = 4,719,058.07/x
  3. Step 3: Cross multiply
    19,095,990.66x = 28,643,705.52 × 4,719,058.07
  4. Step 4: Simplify right side
    19,095,990.66x = 135,171,309,545,641.03
  5. Step 5: Solve for x
    x = 135,171,309,545,641.03/19,095,990.66
  6. Step 6: Final answer
    x = 7,078,517.79

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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.