Home / 10,780,106.40-16,172,492.40-3,207,837.60

Finding the Fourth Proportional to 10,780,106.40, 16,172,492.40 and 3,207,837.60

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Solution

The fourth proportional to 10,780,106.40, 16,172,492.40 and 3,207,837.60 is: 4,812,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,106.40 : 16,172,492.40 = 3,207,837.60 : x
  2. Step 2: Convert to fraction form
    10,780,106.40/16,172,492.40 = 3,207,837.60/x
  3. Step 3: Cross multiply
    10,780,106.40x = 16,172,492.40 × 3,207,837.60
  4. Step 4: Simplify right side
    10,780,106.40x = 51,878,729,206,434.24
  5. Step 5: Solve for x
    x = 51,878,729,206,434.24/10,780,106.40
  6. Step 6: Final answer
    x = 4,812,450.57

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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.