Home / 7,255,485.65-10,879,865.41-2,705,312.72

Finding the Fourth Proportional to 7,255,485.65, 10,879,865.41 and 2,705,312.72

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Solution

The fourth proportional to 7,255,485.65, 10,879,865.41 and 2,705,312.72 is: 4,056,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,485.65 : 10,879,865.41 = 2,705,312.72 : x
  2. Step 2: Convert to fraction form
    7,255,485.65/10,879,865.41 = 2,705,312.72/x
  3. Step 3: Cross multiply
    7,255,485.65x = 10,879,865.41 × 2,705,312.72
  4. Step 4: Simplify right side
    7,255,485.65x = 29,433,438,285,264.68
  5. Step 5: Solve for x
    x = 29,433,438,285,264.68/7,255,485.65
  6. Step 6: Final answer
    x = 4,056,715.11

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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.