Home / 18,670,017.70-28,005,026.55-16,430,529.70

Finding the Fourth Proportional to 18,670,017.70, 28,005,026.55 and 16,430,529.70

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Solution

The fourth proportional to 18,670,017.70, 28,005,026.55 and 16,430,529.70 is: 24,645,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,017.70 : 28,005,026.55 = 16,430,529.70 : x
  2. Step 2: Convert to fraction form
    18,670,017.70/28,005,026.55 = 16,430,529.70/x
  3. Step 3: Cross multiply
    18,670,017.70x = 28,005,026.55 × 16,430,529.70
  4. Step 4: Simplify right side
    18,670,017.70x = 460,137,420,479,063.50
  5. Step 5: Solve for x
    x = 460,137,420,479,063.50/18,670,017.70
  6. Step 6: Final answer
    x = 24,645,794.55

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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.