Home / 13,644,865.80-20,440,341.90-6,918,107.40

Finding the Fourth Proportional to 13,644,865.80, 20,440,341.90 and 6,918,107.40

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Solution

The fourth proportional to 13,644,865.80, 20,440,341.90 and 6,918,107.40 is: 10,363,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644,865.80 : 20,440,341.90 = 6,918,107.40 : x
  2. Step 2: Convert to fraction form
    13,644,865.80/20,440,341.90 = 6,918,107.40/x
  3. Step 3: Cross multiply
    13,644,865.80x = 20,440,341.90 × 6,918,107.40
  4. Step 4: Simplify right side
    13,644,865.80x = 141,408,480,556,920.06
  5. Step 5: Solve for x
    x = 141,408,480,556,920.06/13,644,865.80
  6. Step 6: Final answer
    x = 10,363,493.69

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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.