Home / 28,081,809.60-42,122,714.40-26,192,241.60

Finding the Fourth Proportional to 28,081,809.60, 42,122,714.40 and 26,192,241.60

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Solution

The fourth proportional to 28,081,809.60, 42,122,714.40 and 26,192,241.60 is: 39,288,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,809.60 : 42,122,714.40 = 26,192,241.60 : x
  2. Step 2: Convert to fraction form
    28,081,809.60/42,122,714.40 = 26,192,241.60/x
  3. Step 3: Cross multiply
    28,081,809.60x = 42,122,714.40 × 26,192,241.60
  4. Step 4: Simplify right side
    28,081,809.60x = 1,103,288,312,412,599.12
  5. Step 5: Solve for x
    x = 1,103,288,312,412,599.12/28,081,809.60
  6. Step 6: Final answer
    x = 39,288,362.40

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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.