Home / 21,014,525.55-31,521,788.33-13,834,167.15

Finding the Fourth Proportional to 21,014,525.55, 31,521,788.33 and 13,834,167.15

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Solution

The fourth proportional to 21,014,525.55, 31,521,788.33 and 13,834,167.15 is: 20,751,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,525.55 : 31,521,788.33 = 13,834,167.15 : x
  2. Step 2: Convert to fraction form
    21,014,525.55/31,521,788.33 = 13,834,167.15/x
  3. Step 3: Cross multiply
    21,014,525.55x = 31,521,788.33 × 13,834,167.15
  4. Step 4: Simplify right side
    21,014,525.55x = 436,077,688,554,968.50
  5. Step 5: Solve for x
    x = 436,077,688,554,968.50/21,014,525.55
  6. Step 6: Final answer
    x = 20,751,250.73

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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.