Home / 7,831,720.64-11,748,208.94-2,976,353.21

Finding the Fourth Proportional to 7,831,720.64, 11,748,208.94 and 2,976,353.21

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Solution

The fourth proportional to 7,831,720.64, 11,748,208.94 and 2,976,353.21 is: 4,464,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,720.64 : 11,748,208.94 = 2,976,353.21 : x
  2. Step 2: Convert to fraction form
    7,831,720.64/11,748,208.94 = 2,976,353.21/x
  3. Step 3: Cross multiply
    7,831,720.64x = 11,748,208.94 × 2,976,353.21
  4. Step 4: Simplify right side
    7,831,720.64x = 34,966,819,415,969.78
  5. Step 5: Solve for x
    x = 34,966,819,415,969.78/7,831,720.64
  6. Step 6: Final answer
    x = 4,464,768.47

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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.