Home / 8,047,482.37-11,134,768.88-7,017,138.68

Finding the Fourth Proportional to 8,047,482.37, 11,134,768.88 and 7,017,138.68

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Solution

The fourth proportional to 8,047,482.37, 11,134,768.88 and 7,017,138.68 is: 9,709,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047,482.37 : 11,134,768.88 = 7,017,138.68 : x
  2. Step 2: Convert to fraction form
    8,047,482.37/11,134,768.88 = 7,017,138.68/x
  3. Step 3: Cross multiply
    8,047,482.37x = 11,134,768.88 × 7,017,138.68
  4. Step 4: Simplify right side
    8,047,482.37x = 78,134,217,362,577.28
  5. Step 5: Solve for x
    x = 78,134,217,362,577.28/8,047,482.37
  6. Step 6: Final answer
    x = 9,709,150.49

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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.