Home / 20,048,399-27,666,805.58-10,881,039.32

Finding the Fourth Proportional to 20,048,399, 27,666,805.58 and 10,881,039.32

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Solution

The fourth proportional to 20,048,399, 27,666,805.58 and 10,881,039.32 is: 15,015,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048,399 : 27,666,805.58 = 10,881,039.32 : x
  2. Step 2: Convert to fraction form
    20,048,399/27,666,805.58 = 10,881,039.32/x
  3. Step 3: Cross multiply
    20,048,399x = 27,666,805.58 × 10,881,039.32
  4. Step 4: Simplify right side
    20,048,399x = 301,043,599,374,775.38
  5. Step 5: Solve for x
    x = 301,043,599,374,775.38/20,048,399
  6. Step 6: Final answer
    x = 15,015,842.38

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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.