Home / 39,860,770.44-55,007,862.66-21,526,055.40

Finding the Fourth Proportional to 39,860,770.44, 55,007,862.66 and 21,526,055.40

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Solution

The fourth proportional to 39,860,770.44, 55,007,862.66 and 21,526,055.40 is: 29,705,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860,770.44 : 55,007,862.66 = 21,526,055.40 : x
  2. Step 2: Convert to fraction form
    39,860,770.44/55,007,862.66 = 21,526,055.40/x
  3. Step 3: Cross multiply
    39,860,770.44x = 55,007,862.66 × 21,526,055.40
  4. Step 4: Simplify right side
    39,860,770.44x = 1,184,102,299,054,751.25
  5. Step 5: Solve for x
    x = 1,184,102,299,054,751.25/39,860,770.44
  6. Step 6: Final answer
    x = 29,705,956.16

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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.