Home / 31,682,111.72-43,713,820.44-17,931,075.44

Finding the Fourth Proportional to 31,682,111.72, 43,713,820.44 and 17,931,075.44

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Solution

The fourth proportional to 31,682,111.72, 43,713,820.44 and 17,931,075.44 is: 24,740,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682,111.72 : 43,713,820.44 = 17,931,075.44 : x
  2. Step 2: Convert to fraction form
    31,682,111.72/43,713,820.44 = 17,931,075.44/x
  3. Step 3: Cross multiply
    31,682,111.72x = 43,713,820.44 × 17,931,075.44
  4. Step 4: Simplify right side
    31,682,111.72x = 783,835,812,080,254
  5. Step 5: Solve for x
    x = 783,835,812,080,254/31,682,111.72
  6. Step 6: Final answer
    x = 24,740,642.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.