Home / 15,219,284.48-21,001,446.96-8,692,012.88

Finding the Fourth Proportional to 15,219,284.48, 21,001,446.96 and 8,692,012.88

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Solution

The fourth proportional to 15,219,284.48, 21,001,446.96 and 8,692,012.88 is: 11,994,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219,284.48 : 21,001,446.96 = 8,692,012.88 : x
  2. Step 2: Convert to fraction form
    15,219,284.48/21,001,446.96 = 8,692,012.88/x
  3. Step 3: Cross multiply
    15,219,284.48x = 21,001,446.96 × 8,692,012.88
  4. Step 4: Simplify right side
    15,219,284.48x = 182,544,847,474,956.88
  5. Step 5: Solve for x
    x = 182,544,847,474,956.88/15,219,284.48
  6. Step 6: Final answer
    x = 11,994,312.07

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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.