Home / 30,100,601.40-45,150,902.10-7,381,498.65

Finding the Fourth Proportional to 30,100,601.40, 45,150,902.10 and 7,381,498.65

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Solution

The fourth proportional to 30,100,601.40, 45,150,902.10 and 7,381,498.65 is: 11,072,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100,601.40 : 45,150,902.10 = 7,381,498.65 : x
  2. Step 2: Convert to fraction form
    30,100,601.40/45,150,902.10 = 7,381,498.65/x
  3. Step 3: Cross multiply
    30,100,601.40x = 45,150,902.10 × 7,381,498.65
  4. Step 4: Simplify right side
    30,100,601.40x = 333,281,322,897,432.19
  5. Step 5: Solve for x
    x = 333,281,322,897,432.19/30,100,601.40
  6. Step 6: Final answer
    x = 11,072,247.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.