Home / 6,905,170.50-10,357,321.95-2,112,478.98

Finding the Fourth Proportional to 6,905,170.50, 10,357,321.95 and 2,112,478.98

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Solution

The fourth proportional to 6,905,170.50, 10,357,321.95 and 2,112,478.98 is: 3,168,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905,170.50 : 10,357,321.95 = 2,112,478.98 : x
  2. Step 2: Convert to fraction form
    6,905,170.50/10,357,321.95 = 2,112,478.98/x
  3. Step 3: Cross multiply
    6,905,170.50x = 10,357,321.95 × 2,112,478.98
  4. Step 4: Simplify right side
    6,905,170.50x = 21,879,624,908,467.61
  5. Step 5: Solve for x
    x = 21,879,624,908,467.61/6,905,170.50
  6. Step 6: Final answer
    x = 3,168,585.76

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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.