Home / 13,492,069.90-20,231,106.45-4,968,018.70

Finding the Fourth Proportional to 13,492,069.90, 20,231,106.45 and 4,968,018.70

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Solution

The fourth proportional to 13,492,069.90, 20,231,106.45 and 4,968,018.70 is: 7,449,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,069.90 : 20,231,106.45 = 4,968,018.70 : x
  2. Step 2: Convert to fraction form
    13,492,069.90/20,231,106.45 = 4,968,018.70/x
  3. Step 3: Cross multiply
    13,492,069.90x = 20,231,106.45 × 4,968,018.70
  4. Step 4: Simplify right side
    13,492,069.90x = 100,508,515,165,290.61
  5. Step 5: Solve for x
    x = 100,508,515,165,290.61/13,492,069.90
  6. Step 6: Final answer
    x = 7,449,451.12

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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.