Home / 19,720,206.60-29,580,309.90-19,436,771.40

Finding the Fourth Proportional to 19,720,206.60, 29,580,309.90 and 19,436,771.40

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Solution

The fourth proportional to 19,720,206.60, 29,580,309.90 and 19,436,771.40 is: 29,155,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,206.60 : 29,580,309.90 = 19,436,771.40 : x
  2. Step 2: Convert to fraction form
    19,720,206.60/29,580,309.90 = 19,436,771.40/x
  3. Step 3: Cross multiply
    19,720,206.60x = 29,580,309.90 × 19,436,771.40
  4. Step 4: Simplify right side
    19,720,206.60x = 574,945,721,467,456.75
  5. Step 5: Solve for x
    x = 574,945,721,467,456.75/19,720,206.60
  6. Step 6: Final answer
    x = 29,155,157.10

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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.