Home / 20,342,317.15-30,513,475.73-13,528,062.55

Finding the Fourth Proportional to 20,342,317.15, 30,513,475.73 and 13,528,062.55

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Solution

The fourth proportional to 20,342,317.15, 30,513,475.73 and 13,528,062.55 is: 20,292,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,317.15 : 30,513,475.73 = 13,528,062.55 : x
  2. Step 2: Convert to fraction form
    20,342,317.15/30,513,475.73 = 13,528,062.55/x
  3. Step 3: Cross multiply
    20,342,317.15x = 30,513,475.73 × 13,528,062.55
  4. Step 4: Simplify right side
    20,342,317.15x = 412,788,208,293,346.94
  5. Step 5: Solve for x
    x = 412,788,208,293,346.94/20,342,317.15
  6. Step 6: Final answer
    x = 20,292,093.83

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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.