Home / 12,436,885.35-18,655,328.03-4,347,172.35

Finding the Fourth Proportional to 12,436,885.35, 18,655,328.03 and 4,347,172.35

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Solution

The fourth proportional to 12,436,885.35, 18,655,328.03 and 4,347,172.35 is: 6,520,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,885.35 : 18,655,328.03 = 4,347,172.35 : x
  2. Step 2: Convert to fraction form
    12,436,885.35/18,655,328.03 = 4,347,172.35/x
  3. Step 3: Cross multiply
    12,436,885.35x = 18,655,328.03 × 4,347,172.35
  4. Step 4: Simplify right side
    12,436,885.35x = 81,097,926,170,460.09
  5. Step 5: Solve for x
    x = 81,097,926,170,460.09/12,436,885.35
  6. Step 6: Final answer
    x = 6,520,758.53

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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.