Home / 6,913,574.12-9,539,307.70-3,972,822.60

Finding the Fourth Proportional to 6,913,574.12, 9,539,307.70 and 3,972,822.60

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Solution

The fourth proportional to 6,913,574.12, 9,539,307.70 and 3,972,822.60 is: 5,481,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913,574.12 : 9,539,307.70 = 3,972,822.60 : x
  2. Step 2: Convert to fraction form
    6,913,574.12/9,539,307.70 = 3,972,822.60/x
  3. Step 3: Cross multiply
    6,913,574.12x = 9,539,307.70 × 3,972,822.60
  4. Step 4: Simplify right side
    6,913,574.12x = 37,897,977,218,914.02
  5. Step 5: Solve for x
    x = 37,897,977,218,914.02/6,913,574.12
  6. Step 6: Final answer
    x = 5,481,676.56

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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.