Home / 7,939,405.30-10,958,846.25-6,310,702.66

Finding the Fourth Proportional to 7,939,405.30, 10,958,846.25 and 6,310,702.66

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Solution

The fourth proportional to 7,939,405.30, 10,958,846.25 and 6,310,702.66 is: 8,710,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,405.30 : 10,958,846.25 = 6,310,702.66 : x
  2. Step 2: Convert to fraction form
    7,939,405.30/10,958,846.25 = 6,310,702.66/x
  3. Step 3: Cross multiply
    7,939,405.30x = 10,958,846.25 × 6,310,702.66
  4. Step 4: Simplify right side
    7,939,405.30x = 69,158,020,180,406.02
  5. Step 5: Solve for x
    x = 69,158,020,180,406.02/7,939,405.30
  6. Step 6: Final answer
    x = 8,710,730.54

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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.