Home / 20,898,512.96-28,840,905.54-11,606,124.06

Finding the Fourth Proportional to 20,898,512.96, 28,840,905.54 and 11,606,124.06

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Solution

The fourth proportional to 20,898,512.96, 28,840,905.54 and 11,606,124.06 is: 16,016,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,512.96 : 28,840,905.54 = 11,606,124.06 : x
  2. Step 2: Convert to fraction form
    20,898,512.96/28,840,905.54 = 11,606,124.06/x
  3. Step 3: Cross multiply
    20,898,512.96x = 28,840,905.54 × 11,606,124.06
  4. Step 4: Simplify right side
    20,898,512.96x = 334,731,127,699,981.31
  5. Step 5: Solve for x
    x = 334,731,127,699,981.31/20,898,512.96
  6. Step 6: Final answer
    x = 16,016,983.05

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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.