Home / 28,730,579.60-43,116,864.60-20,227,523.60

Finding the Fourth Proportional to 28,730,579.60, 43,116,864.60 and 20,227,523.60

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Solution

The fourth proportional to 28,730,579.60, 43,116,864.60 and 20,227,523.60 is: 30,356,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730,579.60 : 43,116,864.60 = 20,227,523.60 : x
  2. Step 2: Convert to fraction form
    28,730,579.60/43,116,864.60 = 20,227,523.60/x
  3. Step 3: Cross multiply
    28,730,579.60x = 43,116,864.60 × 20,227,523.60
  4. Step 4: Simplify right side
    28,730,579.60x = 872,147,396,254,504.62
  5. Step 5: Solve for x
    x = 872,147,396,254,504.62/28,730,579.60
  6. Step 6: Final answer
    x = 30,356,066.89

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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.