Home / 7,220,032.77-9,963,659.33-3,956,968.63

Finding the Fourth Proportional to 7,220,032.77, 9,963,659.33 and 3,956,968.63

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Solution

The fourth proportional to 7,220,032.77, 9,963,659.33 and 3,956,968.63 is: 5,460,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,032.77 : 9,963,659.33 = 3,956,968.63 : x
  2. Step 2: Convert to fraction form
    7,220,032.77/9,963,659.33 = 3,956,968.63/x
  3. Step 3: Cross multiply
    7,220,032.77x = 9,963,659.33 × 3,956,968.63
  4. Step 4: Simplify right side
    7,220,032.77x = 39,425,887,408,816.82
  5. Step 5: Solve for x
    x = 39,425,887,408,816.82/7,220,032.77
  6. Step 6: Final answer
    x = 5,460,624.44

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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.