Home / 30,309,748.32-45,493,365.92-18,760,279.46

Finding the Fourth Proportional to 30,309,748.32, 45,493,365.92 and 18,760,279.46

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Solution

The fourth proportional to 30,309,748.32, 45,493,365.92 and 18,760,279.46 is: 28,158,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309,748.32 : 45,493,365.92 = 18,760,279.46 : x
  2. Step 2: Convert to fraction form
    30,309,748.32/45,493,365.92 = 18,760,279.46/x
  3. Step 3: Cross multiply
    30,309,748.32x = 45,493,365.92 × 18,760,279.46
  4. Step 4: Simplify right side
    30,309,748.32x = 853,468,258,255,171.88
  5. Step 5: Solve for x
    x = 853,468,258,255,171.88/30,309,748.32
  6. Step 6: Final answer
    x = 28,158,210.00

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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.