Home / 30,210,556.95-41,657,577.82-20,403,975.59

Finding the Fourth Proportional to 30,210,556.95, 41,657,577.82 and 20,403,975.59

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Solution

The fourth proportional to 30,210,556.95, 41,657,577.82 and 20,403,975.59 is: 28,135,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210,556.95 : 41,657,577.82 = 20,403,975.59 : x
  2. Step 2: Convert to fraction form
    30,210,556.95/41,657,577.82 = 20,403,975.59/x
  3. Step 3: Cross multiply
    30,210,556.95x = 41,657,577.82 × 20,403,975.59
  4. Step 4: Simplify right side
    30,210,556.95x = 849,980,200,977,805.38
  5. Step 5: Solve for x
    x = 849,980,200,977,805.38/30,210,556.95
  6. Step 6: Final answer
    x = 28,135,204.60

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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.