Home / 13,882,013.10-20,823,019.65-8,199,312.30

Finding the Fourth Proportional to 13,882,013.10, 20,823,019.65 and 8,199,312.30

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Solution

The fourth proportional to 13,882,013.10, 20,823,019.65 and 8,199,312.30 is: 12,298,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882,013.10 : 20,823,019.65 = 8,199,312.30 : x
  2. Step 2: Convert to fraction form
    13,882,013.10/20,823,019.65 = 8,199,312.30/x
  3. Step 3: Cross multiply
    13,882,013.10x = 20,823,019.65 × 8,199,312.30
  4. Step 4: Simplify right side
    13,882,013.10x = 170,734,441,139,386.69
  5. Step 5: Solve for x
    x = 170,734,441,139,386.69/13,882,013.10
  6. Step 6: Final answer
    x = 12,298,968.45

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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.