Home / 30,921,172.20-46,387,007.10-9,355,602.60

Finding the Fourth Proportional to 30,921,172.20, 46,387,007.10 and 9,355,602.60

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Solution

The fourth proportional to 30,921,172.20, 46,387,007.10 and 9,355,602.60 is: 14,034,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,172.20 : 46,387,007.10 = 9,355,602.60 : x
  2. Step 2: Convert to fraction form
    30,921,172.20/46,387,007.10 = 9,355,602.60/x
  3. Step 3: Cross multiply
    30,921,172.20x = 46,387,007.10 × 9,355,602.60
  4. Step 4: Simplify right side
    30,921,172.20x = 433,978,404,230,978.44
  5. Step 5: Solve for x
    x = 433,978,404,230,978.44/30,921,172.20
  6. Step 6: Final answer
    x = 14,034,991.99

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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.