Home / 18,883,980.60-28,325,970.90-17,435,311.80

Finding the Fourth Proportional to 18,883,980.60, 28,325,970.90 and 17,435,311.80

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Solution

The fourth proportional to 18,883,980.60, 28,325,970.90 and 17,435,311.80 is: 26,152,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883,980.60 : 28,325,970.90 = 17,435,311.80 : x
  2. Step 2: Convert to fraction form
    18,883,980.60/28,325,970.90 = 17,435,311.80/x
  3. Step 3: Cross multiply
    18,883,980.60x = 28,325,970.90 × 17,435,311.80
  4. Step 4: Simplify right side
    18,883,980.60x = 493,872,134,679,226.62
  5. Step 5: Solve for x
    x = 493,872,134,679,226.62/18,883,980.60
  6. Step 6: Final answer
    x = 26,152,967.70

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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.