Home / 18,442,853.70-27,664,280.55-17,911,412.70

Finding the Fourth Proportional to 18,442,853.70, 27,664,280.55 and 17,911,412.70

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Solution

The fourth proportional to 18,442,853.70, 27,664,280.55 and 17,911,412.70 is: 26,867,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,853.70 : 27,664,280.55 = 17,911,412.70 : x
  2. Step 2: Convert to fraction form
    18,442,853.70/27,664,280.55 = 17,911,412.70/x
  3. Step 3: Cross multiply
    18,442,853.70x = 27,664,280.55 × 17,911,412.70
  4. Step 4: Simplify right side
    18,442,853.70x = 495,506,345,979,633
  5. Step 5: Solve for x
    x = 495,506,345,979,633/18,442,853.70
  6. Step 6: Final answer
    x = 26,867,119.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.