Home / 13,608,045.70-20,388,448.95-12,757,740.10

Finding the Fourth Proportional to 13,608,045.70, 20,388,448.95 and 12,757,740.10

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Solution

The fourth proportional to 13,608,045.70, 20,388,448.95 and 12,757,740.10 is: 19,114,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,045.70 : 20,388,448.95 = 12,757,740.10 : x
  2. Step 2: Convert to fraction form
    13,608,045.70/20,388,448.95 = 12,757,740.10/x
  3. Step 3: Cross multiply
    13,608,045.70x = 20,388,448.95 × 12,757,740.10
  4. Step 4: Simplify right side
    13,608,045.70x = 260,110,532,746,217.88
  5. Step 5: Solve for x
    x = 260,110,532,746,217.88/13,608,045.70
  6. Step 6: Final answer
    x = 19,114,466.43

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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.