Home / 29,270,191-40,406,904.66-20,575,816.60

Finding the Fourth Proportional to 29,270,191, 40,406,904.66 and 20,575,816.60

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Solution

The fourth proportional to 29,270,191, 40,406,904.66 and 20,575,816.60 is: 28,404,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270,191 : 40,406,904.66 = 20,575,816.60 : x
  2. Step 2: Convert to fraction form
    29,270,191/40,406,904.66 = 20,575,816.60/x
  3. Step 3: Cross multiply
    29,270,191x = 40,406,904.66 × 20,575,816.60
  4. Step 4: Simplify right side
    29,270,191x = 831,405,059,657,845.38
  5. Step 5: Solve for x
    x = 831,405,059,657,845.38/29,270,191
  6. Step 6: Final answer
    x = 28,404,497.25

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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.