Home / 9,361,776.57-12,918,132.85-5,174,896.02

Finding the Fourth Proportional to 9,361,776.57, 12,918,132.85 and 5,174,896.02

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Solution

The fourth proportional to 9,361,776.57, 12,918,132.85 and 5,174,896.02 is: 7,140,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,776.57 : 12,918,132.85 = 5,174,896.02 : x
  2. Step 2: Convert to fraction form
    9,361,776.57/12,918,132.85 = 5,174,896.02/x
  3. Step 3: Cross multiply
    9,361,776.57x = 12,918,132.85 × 5,174,896.02
  4. Step 4: Simplify right side
    9,361,776.57x = 66,849,994,271,296.25
  5. Step 5: Solve for x
    x = 66,849,994,271,296.25/9,361,776.57
  6. Step 6: Final answer
    x = 7,140,738.06

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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.