Home / 20,754,046.40-31,089,079.20-14,371,505.60

Finding the Fourth Proportional to 20,754,046.40, 31,089,079.20 and 14,371,505.60

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Solution

The fourth proportional to 20,754,046.40, 31,089,079.20 and 14,371,505.60 is: 21,528,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,046.40 : 31,089,079.20 = 14,371,505.60 : x
  2. Step 2: Convert to fraction form
    20,754,046.40/31,089,079.20 = 14,371,505.60/x
  3. Step 3: Cross multiply
    20,754,046.40x = 31,089,079.20 × 14,371,505.60
  4. Step 4: Simplify right side
    20,754,046.40x = 446,796,875,821,643.50
  5. Step 5: Solve for x
    x = 446,796,875,821,643.50/20,754,046.40
  6. Step 6: Final answer
    x = 21,528,181.41

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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.