Home / 12,596,492.80-18,897,196.80-5,408,012.80

Finding the Fourth Proportional to 12,596,492.80, 18,897,196.80 and 5,408,012.80

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Solution

The fourth proportional to 12,596,492.80, 18,897,196.80 and 5,408,012.80 is: 8,113,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,492.80 : 18,897,196.80 = 5,408,012.80 : x
  2. Step 2: Convert to fraction form
    12,596,492.80/18,897,196.80 = 5,408,012.80/x
  3. Step 3: Cross multiply
    12,596,492.80x = 18,897,196.80 × 5,408,012.80
  4. Step 4: Simplify right side
    12,596,492.80x = 102,196,282,178,519.05
  5. Step 5: Solve for x
    x = 102,196,282,178,519.05/12,596,492.80
  6. Step 6: Final answer
    x = 8,113,074.31

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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.