Home / 39,670,458.56-59,478,522.12-20,201,999.16

Finding the Fourth Proportional to 39,670,458.56, 59,478,522.12 and 20,201,999.16

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Solution

The fourth proportional to 39,670,458.56, 59,478,522.12 and 20,201,999.16 is: 30,289,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670,458.56 : 59,478,522.12 = 20,201,999.16 : x
  2. Step 2: Convert to fraction form
    39,670,458.56/59,478,522.12 = 20,201,999.16/x
  3. Step 3: Cross multiply
    39,670,458.56x = 59,478,522.12 × 20,201,999.16
  4. Step 4: Simplify right side
    39,670,458.56x = 1,201,585,053,953,967.75
  5. Step 5: Solve for x
    x = 1,201,585,053,953,967.75/39,670,458.56
  6. Step 6: Final answer
    x = 30,289,164.72

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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.