Home / 38,456,331.20-57,684,496.80-11,529,987.20

Finding the Fourth Proportional to 38,456,331.20, 57,684,496.80 and 11,529,987.20

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Solution

The fourth proportional to 38,456,331.20, 57,684,496.80 and 11,529,987.20 is: 17,294,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,456,331.20 : 57,684,496.80 = 11,529,987.20 : x
  2. Step 2: Convert to fraction form
    38,456,331.20/57,684,496.80 = 11,529,987.20/x
  3. Step 3: Cross multiply
    38,456,331.20x = 57,684,496.80 × 11,529,987.20
  4. Step 4: Simplify right side
    38,456,331.20x = 665,101,509,742,440.88
  5. Step 5: Solve for x
    x = 665,101,509,742,440.88/38,456,331.20
  6. Step 6: Final answer
    x = 17,294,980.80

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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.