Home / 19,720,408.40-29,580,612.60-11,217,352.40

Finding the Fourth Proportional to 19,720,408.40, 29,580,612.60 and 11,217,352.40

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Solution

The fourth proportional to 19,720,408.40, 29,580,612.60 and 11,217,352.40 is: 16,826,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,408.40 : 29,580,612.60 = 11,217,352.40 : x
  2. Step 2: Convert to fraction form
    19,720,408.40/29,580,612.60 = 11,217,352.40/x
  3. Step 3: Cross multiply
    19,720,408.40x = 29,580,612.60 × 11,217,352.40
  4. Step 4: Simplify right side
    19,720,408.40x = 331,816,155,742,080.25
  5. Step 5: Solve for x
    x = 331,816,155,742,080.25/19,720,408.40
  6. Step 6: Final answer
    x = 16,826,028.60

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1.5x scale

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.