Home / 19,720,272.60-29,580,408.90-13,350,173.40

Finding the Fourth Proportional to 19,720,272.60, 29,580,408.90 and 13,350,173.40

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Solution

The fourth proportional to 19,720,272.60, 29,580,408.90 and 13,350,173.40 is: 20,025,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,272.60 : 29,580,408.90 = 13,350,173.40 : x
  2. Step 2: Convert to fraction form
    19,720,272.60/29,580,408.90 = 13,350,173.40/x
  3. Step 3: Cross multiply
    19,720,272.60x = 29,580,408.90 × 13,350,173.40
  4. Step 4: Simplify right side
    19,720,272.60x = 394,903,588,057,903.25
  5. Step 5: Solve for x
    x = 394,903,588,057,903.25/19,720,272.60
  6. Step 6: Final answer
    x = 20,025,260.10

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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.