Home / 19,943,930.40-29,939,515.20-11,314,903.20

Finding the Fourth Proportional to 19,943,930.40, 29,939,515.20 and 11,314,903.20

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Solution

The fourth proportional to 19,943,930.40, 29,939,515.20 and 11,314,903.20 is: 16,985,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943,930.40 : 29,939,515.20 = 11,314,903.20 : x
  2. Step 2: Convert to fraction form
    19,943,930.40/29,939,515.20 = 11,314,903.20/x
  3. Step 3: Cross multiply
    19,943,930.40x = 29,939,515.20 × 11,314,903.20
  4. Step 4: Simplify right side
    19,943,930.40x = 338,762,716,342,928.62
  5. Step 5: Solve for x
    x = 338,762,716,342,928.62/19,943,930.40
  6. Step 6: Final answer
    x = 16,985,755.04

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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.