Home / 7,136,170-9,846,644.20-4,038,678.80

Finding the Fourth Proportional to 7,136,170, 9,846,644.20 and 4,038,678.80

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Solution

The fourth proportional to 7,136,170, 9,846,644.20 and 4,038,678.80 is: 5,572,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,170 : 9,846,644.20 = 4,038,678.80 : x
  2. Step 2: Convert to fraction form
    7,136,170/9,846,644.20 = 4,038,678.80/x
  3. Step 3: Cross multiply
    7,136,170x = 9,846,644.20 × 4,038,678.80
  4. Step 4: Simplify right side
    7,136,170x = 39,767,433,181,682.95
  5. Step 5: Solve for x
    x = 39,767,433,181,682.95/7,136,170
  6. Step 6: Final answer
    x = 5,572,657.77

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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.