Home / 31,703,106.24-43,763,679.36-21,403,779.84

Finding the Fourth Proportional to 31,703,106.24, 43,763,679.36 and 21,403,779.84

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Solution

The fourth proportional to 31,703,106.24, 43,763,679.36 and 21,403,779.84 is: 29,546,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703,106.24 : 43,763,679.36 = 21,403,779.84 : x
  2. Step 2: Convert to fraction form
    31,703,106.24/43,763,679.36 = 21,403,779.84/x
  3. Step 3: Cross multiply
    31,703,106.24x = 43,763,679.36 × 21,403,779.84
  4. Step 4: Simplify right side
    31,703,106.24x = 936,708,158,009,792.12
  5. Step 5: Solve for x
    x = 936,708,158,009,792.12/31,703,106.24
  6. Step 6: Final answer
    x = 29,546,258.05

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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.