Home / 13,353,738.40-20,030,607.60-13,212,020.80

Finding the Fourth Proportional to 13,353,738.40, 20,030,607.60 and 13,212,020.80

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Solution

The fourth proportional to 13,353,738.40, 20,030,607.60 and 13,212,020.80 is: 19,818,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,738.40 : 20,030,607.60 = 13,212,020.80 : x
  2. Step 2: Convert to fraction form
    13,353,738.40/20,030,607.60 = 13,212,020.80/x
  3. Step 3: Cross multiply
    13,353,738.40x = 20,030,607.60 × 13,212,020.80
  4. Step 4: Simplify right side
    13,353,738.40x = 264,644,804,247,838.12
  5. Step 5: Solve for x
    x = 264,644,804,247,838.12/13,353,738.40
  6. Step 6: Final answer
    x = 19,818,031.20

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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.