Home / 20,535,057.95-28,339,953.87-11,714,703.35

Finding the Fourth Proportional to 20,535,057.95, 28,339,953.87 and 11,714,703.35

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Solution

The fourth proportional to 20,535,057.95, 28,339,953.87 and 11,714,703.35 is: 16,167,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,057.95 : 28,339,953.87 = 11,714,703.35 : x
  2. Step 2: Convert to fraction form
    20,535,057.95/28,339,953.87 = 11,714,703.35/x
  3. Step 3: Cross multiply
    20,535,057.95x = 28,339,953.87 × 11,714,703.35
  4. Step 4: Simplify right side
    20,535,057.95x = 331,994,152,398,034.75
  5. Step 5: Solve for x
    x = 331,994,152,398,034.75/20,535,057.95
  6. Step 6: Final answer
    x = 16,167,188.49

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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.