Home / 7,966,728.48-11,948,634.74-2,130,989.60

Finding the Fourth Proportional to 7,966,728.48, 11,948,634.74 and 2,130,989.60

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Solution

The fourth proportional to 7,966,728.48, 11,948,634.74 and 2,130,989.60 is: 3,196,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966,728.48 : 11,948,634.74 = 2,130,989.60 : x
  2. Step 2: Convert to fraction form
    7,966,728.48/11,948,634.74 = 2,130,989.60/x
  3. Step 3: Cross multiply
    7,966,728.48x = 11,948,634.74 × 2,130,989.60
  4. Step 4: Simplify right side
    7,966,728.48x = 25,462,416,365,138.71
  5. Step 5: Solve for x
    x = 25,462,416,365,138.71/7,966,728.48
  6. Step 6: Final answer
    x = 3,196,094.41

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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.