Home / 19,430,188.40-29,121,954.60-8,064,786.80

Finding the Fourth Proportional to 19,430,188.40, 29,121,954.60 and 8,064,786.80

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Solution

The fourth proportional to 19,430,188.40, 29,121,954.60 and 8,064,786.80 is: 12,087,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,188.40 : 29,121,954.60 = 8,064,786.80 : x
  2. Step 2: Convert to fraction form
    19,430,188.40/29,121,954.60 = 8,064,786.80/x
  3. Step 3: Cross multiply
    19,430,188.40x = 29,121,954.60 × 8,064,786.80
  4. Step 4: Simplify right side
    19,430,188.40x = 234,862,355,048,279.28
  5. Step 5: Solve for x
    x = 234,862,355,048,279.28/19,430,188.40
  6. Step 6: Final answer
    x = 12,087,497.57

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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.