Home / 28,749,911.80-43,103,597.10-13,586,128.60

Finding the Fourth Proportional to 28,749,911.80, 43,103,597.10 and 13,586,128.60

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Solution

The fourth proportional to 28,749,911.80, 43,103,597.10 and 13,586,128.60 is: 20,369,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749,911.80 : 43,103,597.10 = 13,586,128.60 : x
  2. Step 2: Convert to fraction form
    28,749,911.80/43,103,597.10 = 13,586,128.60/x
  3. Step 3: Cross multiply
    28,749,911.80x = 43,103,597.10 × 13,586,128.60
  4. Step 4: Simplify right side
    28,749,911.80x = 585,611,013,323,187.12
  5. Step 5: Solve for x
    x = 585,611,013,323,187.12/28,749,911.80
  6. Step 6: Final answer
    x = 20,369,141.21

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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.