Home / 10,445,720.75-14,405,076.74-6,720,749.90

Finding the Fourth Proportional to 10,445,720.75, 14,405,076.74 and 6,720,749.90

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Solution

The fourth proportional to 10,445,720.75, 14,405,076.74 and 6,720,749.90 is: 9,268,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445,720.75 : 14,405,076.74 = 6,720,749.90 : x
  2. Step 2: Convert to fraction form
    10,445,720.75/14,405,076.74 = 6,720,749.90/x
  3. Step 3: Cross multiply
    10,445,720.75x = 14,405,076.74 × 6,720,749.90
  4. Step 4: Simplify right side
    10,445,720.75x = 96,812,918,043,045.47
  5. Step 5: Solve for x
    x = 96,812,918,043,045.47/10,445,720.75
  6. Step 6: Final answer
    x = 9,268,189.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.