Home / 12,693,047.81-19,042,303.12-3,939,153.51

Finding the Fourth Proportional to 12,693,047.81, 19,042,303.12 and 3,939,153.51

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Solution

The fourth proportional to 12,693,047.81, 19,042,303.12 and 3,939,153.51 is: 5,909,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,047.81 : 19,042,303.12 = 3,939,153.51 : x
  2. Step 2: Convert to fraction form
    12,693,047.81/19,042,303.12 = 3,939,153.51/x
  3. Step 3: Cross multiply
    12,693,047.81x = 19,042,303.12 × 3,939,153.51
  4. Step 4: Simplify right side
    12,693,047.81x = 75,010,555,135,874.06
  5. Step 5: Solve for x
    x = 75,010,555,135,874.06/12,693,047.81
  6. Step 6: Final answer
    x = 5,909,577.92

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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.