Home / 30,619,378-45,921,811.44-8,759,083.24

Finding the Fourth Proportional to 30,619,378, 45,921,811.44 and 8,759,083.24

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Solution

The fourth proportional to 30,619,378, 45,921,811.44 and 8,759,083.24 is: 13,136,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,378 : 45,921,811.44 = 8,759,083.24 : x
  2. Step 2: Convert to fraction form
    30,619,378/45,921,811.44 = 8,759,083.24/x
  3. Step 3: Cross multiply
    30,619,378x = 45,921,811.44 × 8,759,083.24
  4. Step 4: Simplify right side
    30,619,378x = 402,232,968,934,544.25
  5. Step 5: Solve for x
    x = 402,232,968,934,544.25/30,619,378
  6. Step 6: Final answer
    x = 13,136,549.31

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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.