Home / 18,717,883.20-28,076,824.80-17,878,075.20

Finding the Fourth Proportional to 18,717,883.20, 28,076,824.80 and 17,878,075.20

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Solution

The fourth proportional to 18,717,883.20, 28,076,824.80 and 17,878,075.20 is: 26,817,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,883.20 : 28,076,824.80 = 17,878,075.20 : x
  2. Step 2: Convert to fraction form
    18,717,883.20/28,076,824.80 = 17,878,075.20/x
  3. Step 3: Cross multiply
    18,717,883.20x = 28,076,824.80 × 17,878,075.20
  4. Step 4: Simplify right side
    18,717,883.20x = 501,959,585,151,624.94
  5. Step 5: Solve for x
    x = 501,959,585,151,624.94/18,717,883.20
  6. Step 6: Final answer
    x = 26,817,112.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.