Home / 18,717,962.40-28,076,943.60-17,773,178.40

Finding the Fourth Proportional to 18,717,962.40, 28,076,943.60 and 17,773,178.40

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Solution

The fourth proportional to 18,717,962.40, 28,076,943.60 and 17,773,178.40 is: 26,659,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,962.40 : 28,076,943.60 = 17,773,178.40 : x
  2. Step 2: Convert to fraction form
    18,717,962.40/28,076,943.60 = 17,773,178.40/x
  3. Step 3: Cross multiply
    18,717,962.40x = 28,076,943.60 × 17,773,178.40
  4. Step 4: Simplify right side
    18,717,962.40x = 499,016,527,529,538.25
  5. Step 5: Solve for x
    x = 499,016,527,529,538.25/18,717,962.40
  6. Step 6: Final answer
    x = 26,659,767.60

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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.