Home / 12,421,929.10-18,621,812.85-4,847,133.10

Finding the Fourth Proportional to 12,421,929.10, 18,621,812.85 and 4,847,133.10

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Solution

The fourth proportional to 12,421,929.10, 18,621,812.85 and 4,847,133.10 is: 7,266,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,929.10 : 18,621,812.85 = 4,847,133.10 : x
  2. Step 2: Convert to fraction form
    12,421,929.10/18,621,812.85 = 4,847,133.10/x
  3. Step 3: Cross multiply
    12,421,929.10x = 18,621,812.85 × 4,847,133.10
  4. Step 4: Simplify right side
    12,421,929.10x = 90,262,405,447,240.33
  5. Step 5: Solve for x
    x = 90,262,405,447,240.33/12,421,929.10
  6. Step 6: Final answer
    x = 7,266,375.84

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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.