Home / 19,459,311.40-29,188,967.10-12,302,572.60

Finding the Fourth Proportional to 19,459,311.40, 29,188,967.10 and 12,302,572.60

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Solution

The fourth proportional to 19,459,311.40, 29,188,967.10 and 12,302,572.60 is: 18,453,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459,311.40 : 29,188,967.10 = 12,302,572.60 : x
  2. Step 2: Convert to fraction form
    19,459,311.40/29,188,967.10 = 12,302,572.60/x
  3. Step 3: Cross multiply
    19,459,311.40x = 29,188,967.10 × 12,302,572.60
  4. Step 4: Simplify right side
    19,459,311.40x = 359,099,386,866,761.44
  5. Step 5: Solve for x
    x = 359,099,386,866,761.44/19,459,311.40
  6. Step 6: Final answer
    x = 18,453,858.90

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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.