Home / 30,111,958.44-45,142,546.50-13,059,788.22

Finding the Fourth Proportional to 30,111,958.44, 45,142,546.50 and 13,059,788.22

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Solution

The fourth proportional to 30,111,958.44, 45,142,546.50 and 13,059,788.22 is: 19,578,669.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111,958.44 : 45,142,546.50 = 13,059,788.22 : x
  2. Step 2: Convert to fraction form
    30,111,958.44/45,142,546.50 = 13,059,788.22/x
  3. Step 3: Cross multiply
    30,111,958.44x = 45,142,546.50 × 13,059,788.22
  4. Step 4: Simplify right side
    30,111,958.44x = 589,552,097,001,502.25
  5. Step 5: Solve for x
    x = 589,552,097,001,502.25/30,111,958.44
  6. Step 6: Final answer
    x = 19,578,669.99

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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.