Home / 13,376,040.40-20,064,060.60-9,969,806.80

Finding the Fourth Proportional to 13,376,040.40, 20,064,060.60 and 9,969,806.80

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Solution

The fourth proportional to 13,376,040.40, 20,064,060.60 and 9,969,806.80 is: 14,954,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,040.40 : 20,064,060.60 = 9,969,806.80 : x
  2. Step 2: Convert to fraction form
    13,376,040.40/20,064,060.60 = 9,969,806.80/x
  3. Step 3: Cross multiply
    13,376,040.40x = 20,064,060.60 × 9,969,806.80
  4. Step 4: Simplify right side
    13,376,040.40x = 200,034,807,805,492.12
  5. Step 5: Solve for x
    x = 200,034,807,805,492.12/13,376,040.40
  6. Step 6: Final answer
    x = 14,954,710.20

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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.