Home / 7,150,667.45-9,870,082.27-4,860,156.74

Finding the Fourth Proportional to 7,150,667.45, 9,870,082.27 and 4,860,156.74

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Solution

The fourth proportional to 7,150,667.45, 9,870,082.27 and 4,860,156.74 is: 6,708,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,667.45 : 9,870,082.27 = 4,860,156.74 : x
  2. Step 2: Convert to fraction form
    7,150,667.45/9,870,082.27 = 4,860,156.74/x
  3. Step 3: Cross multiply
    7,150,667.45x = 9,870,082.27 × 4,860,156.74
  4. Step 4: Simplify right side
    7,150,667.45x = 47,970,146,807,394.20
  5. Step 5: Solve for x
    x = 47,970,146,807,394.20/7,150,667.45
  6. Step 6: Final answer
    x = 6,708,485.21

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1.5x scale

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.