Home / 31,892,147.16-43,997,357.10-19,502,782.20

Finding the Fourth Proportional to 31,892,147.16, 43,997,357.10 and 19,502,782.20

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Solution

The fourth proportional to 31,892,147.16, 43,997,357.10 and 19,502,782.20 is: 26,905,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892,147.16 : 43,997,357.10 = 19,502,782.20 : x
  2. Step 2: Convert to fraction form
    31,892,147.16/43,997,357.10 = 19,502,782.20/x
  3. Step 3: Cross multiply
    31,892,147.16x = 43,997,357.10 × 19,502,782.20
  4. Step 4: Simplify right side
    31,892,147.16x = 858,070,872,896,923.62
  5. Step 5: Solve for x
    x = 858,070,872,896,923.62/31,892,147.16
  6. Step 6: Final answer
    x = 26,905,396.76

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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.