Home / 20,898,781.64-28,841,274.38-11,606,393.60

Finding the Fourth Proportional to 20,898,781.64, 28,841,274.38 and 11,606,393.60

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Solution

The fourth proportional to 20,898,781.64, 28,841,274.38 and 11,606,393.60 is: 16,017,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,781.64 : 28,841,274.38 = 11,606,393.60 : x
  2. Step 2: Convert to fraction form
    20,898,781.64/28,841,274.38 = 11,606,393.60/x
  3. Step 3: Cross multiply
    20,898,781.64x = 28,841,274.38 × 11,606,393.60
  4. Step 4: Simplify right side
    20,898,781.64x = 334,743,182,379,875.94
  5. Step 5: Solve for x
    x = 334,743,182,379,875.94/20,898,781.64
  6. Step 6: Final answer
    x = 16,017,353.94

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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.