Home / 6,138,111.65-8,470,399.92-3,384,915.17

Finding the Fourth Proportional to 6,138,111.65, 8,470,399.92 and 3,384,915.17

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Solution

The fourth proportional to 6,138,111.65, 8,470,399.92 and 3,384,915.17 is: 4,671,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,111.65 : 8,470,399.92 = 3,384,915.17 : x
  2. Step 2: Convert to fraction form
    6,138,111.65/8,470,399.92 = 3,384,915.17/x
  3. Step 3: Cross multiply
    6,138,111.65x = 8,470,399.92 × 3,384,915.17
  4. Step 4: Simplify right side
    6,138,111.65x = 28,671,585,185,174.79
  5. Step 5: Solve for x
    x = 28,671,585,185,174.79/6,138,111.65
  6. Step 6: Final answer
    x = 4,671,075.87

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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.