Home / 20,898,783.63-28,841,277.15-11,606,395.59

Finding the Fourth Proportional to 20,898,783.63, 28,841,277.15 and 11,606,395.59

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Solution

The fourth proportional to 20,898,783.63, 28,841,277.15 and 11,606,395.59 is: 16,017,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,783.63 : 28,841,277.15 = 11,606,395.59 : x
  2. Step 2: Convert to fraction form
    20,898,783.63/28,841,277.15 = 11,606,395.59/x
  3. Step 3: Cross multiply
    20,898,783.63x = 28,841,277.15 × 11,606,395.59
  4. Step 4: Simplify right side
    20,898,783.63x = 334,743,271,923,727.75
  5. Step 5: Solve for x
    x = 334,743,271,923,727.75/20,898,783.63
  6. Step 6: Final answer
    x = 16,017,356.70

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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.