Home / 21,973,615.90-32,974,420.65-12,875,695.90

Finding the Fourth Proportional to 21,973,615.90, 32,974,420.65 and 12,875,695.90

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Solution

The fourth proportional to 21,973,615.90, 32,974,420.65 and 12,875,695.90 is: 19,321,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,615.90 : 32,974,420.65 = 12,875,695.90 : x
  2. Step 2: Convert to fraction form
    21,973,615.90/32,974,420.65 = 12,875,695.90/x
  3. Step 3: Cross multiply
    21,973,615.90x = 32,974,420.65 × 12,875,695.90
  4. Step 4: Simplify right side
    21,973,615.90x = 424,568,612,768,080.31
  5. Step 5: Solve for x
    x = 424,568,612,768,080.31/21,973,615.90
  6. Step 6: Final answer
    x = 19,321,745.44

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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.