Home / 39,036,393.36-53,869,565.16-21,632,703.12

Finding the Fourth Proportional to 39,036,393.36, 53,869,565.16 and 21,632,703.12

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Solution

The fourth proportional to 39,036,393.36, 53,869,565.16 and 21,632,703.12 is: 29,852,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,036,393.36 : 53,869,565.16 = 21,632,703.12 : x
  2. Step 2: Convert to fraction form
    39,036,393.36/53,869,565.16 = 21,632,703.12/x
  3. Step 3: Cross multiply
    39,036,393.36x = 53,869,565.16 × 21,632,703.12
  4. Step 4: Simplify right side
    39,036,393.36x = 1,165,344,310,309,775.25
  5. Step 5: Solve for x
    x = 1,165,344,310,309,775.25/39,036,393.36
  6. Step 6: Final answer
    x = 29,852,765.84

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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.