Home / 27,699,705.64-38,226,314.76-15,309,994.64

Finding the Fourth Proportional to 27,699,705.64, 38,226,314.76 and 15,309,994.64

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Solution

The fourth proportional to 27,699,705.64, 38,226,314.76 and 15,309,994.64 is: 21,128,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,705.64 : 38,226,314.76 = 15,309,994.64 : x
  2. Step 2: Convert to fraction form
    27,699,705.64/38,226,314.76 = 15,309,994.64/x
  3. Step 3: Cross multiply
    27,699,705.64x = 38,226,314.76 × 15,309,994.64
  4. Step 4: Simplify right side
    27,699,705.64x = 585,244,674,082,552.88
  5. Step 5: Solve for x
    x = 585,244,674,082,552.88/27,699,705.64
  6. Step 6: Final answer
    x = 21,128,191.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.