Home / 39,670,459.06-59,478,522.86-20,201,999.66

Finding the Fourth Proportional to 39,670,459.06, 59,478,522.86 and 20,201,999.66

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Solution

The fourth proportional to 39,670,459.06, 59,478,522.86 and 20,201,999.66 is: 30,289,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670,459.06 : 59,478,522.86 = 20,201,999.66 : x
  2. Step 2: Convert to fraction form
    39,670,459.06/59,478,522.86 = 20,201,999.66/x
  3. Step 3: Cross multiply
    39,670,459.06x = 59,478,522.86 × 20,201,999.66
  4. Step 4: Simplify right side
    39,670,459.06x = 1,201,585,098,595,022.25
  5. Step 5: Solve for x
    x = 1,201,585,098,595,022.25/39,670,459.06
  6. Step 6: Final answer
    x = 30,289,165.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.