Home / 6,985,634.58-9,636,648.30-4,083,129.18

Finding the Fourth Proportional to 6,985,634.58, 9,636,648.30 and 4,083,129.18

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Solution

The fourth proportional to 6,985,634.58, 9,636,648.30 and 4,083,129.18 is: 5,632,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,634.58 : 9,636,648.30 = 4,083,129.18 : x
  2. Step 2: Convert to fraction form
    6,985,634.58/9,636,648.30 = 4,083,129.18/x
  3. Step 3: Cross multiply
    6,985,634.58x = 9,636,648.30 × 4,083,129.18
  4. Step 4: Simplify right side
    6,985,634.58x = 39,347,679,871,127.40
  5. Step 5: Solve for x
    x = 39,347,679,871,127.40/6,985,634.58
  6. Step 6: Final answer
    x = 5,632,656.48

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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.