Home / 7,043,495.32-9,720,263.82-3,946,149.28

Finding the Fourth Proportional to 7,043,495.32, 9,720,263.82 and 3,946,149.28

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Solution

The fourth proportional to 7,043,495.32, 9,720,263.82 and 3,946,149.28 is: 5,445,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043,495.32 : 9,720,263.82 = 3,946,149.28 : x
  2. Step 2: Convert to fraction form
    7,043,495.32/9,720,263.82 = 3,946,149.28/x
  3. Step 3: Cross multiply
    7,043,495.32x = 9,720,263.82 × 3,946,149.28
  4. Step 4: Simplify right side
    7,043,495.32x = 38,357,612,074,703.05
  5. Step 5: Solve for x
    x = 38,357,612,074,703.05/7,043,495.32
  6. Step 6: Final answer
    x = 5,445,820.62

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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.