Home / 28,702,722.42-43,029,698.58-13,358,922.39

Finding the Fourth Proportional to 28,702,722.42, 43,029,698.58 and 13,358,922.39

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Solution

The fourth proportional to 28,702,722.42, 43,029,698.58 and 13,358,922.39 is: 20,027,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702,722.42 : 43,029,698.58 = 13,358,922.39 : x
  2. Step 2: Convert to fraction form
    28,702,722.42/43,029,698.58 = 13,358,922.39/x
  3. Step 3: Cross multiply
    28,702,722.42x = 43,029,698.58 × 13,358,922.39
  4. Step 4: Simplify right side
    28,702,722.42x = 574,830,403,795,313.25
  5. Step 5: Solve for x
    x = 574,830,403,795,313.25/28,702,722.42
  6. Step 6: Final answer
    x = 20,027,034.21

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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.