Home / 18,442,847.70-27,664,271.55-17,911,406.70

Finding the Fourth Proportional to 18,442,847.70, 27,664,271.55 and 17,911,406.70

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Solution

The fourth proportional to 18,442,847.70, 27,664,271.55 and 17,911,406.70 is: 26,867,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,847.70 : 27,664,271.55 = 17,911,406.70 : x
  2. Step 2: Convert to fraction form
    18,442,847.70/27,664,271.55 = 17,911,406.70/x
  3. Step 3: Cross multiply
    18,442,847.70x = 27,664,271.55 × 17,911,406.70
  4. Step 4: Simplify right side
    18,442,847.70x = 495,506,018,791,289.38
  5. Step 5: Solve for x
    x = 495,506,018,791,289.38/18,442,847.70
  6. Step 6: Final answer
    x = 26,867,110.05

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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.