Home / 18,715,594.16-28,076,071.80-5,762,843.12

Finding the Fourth Proportional to 18,715,594.16, 28,076,071.80 and 5,762,843.12

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Solution

The fourth proportional to 18,715,594.16, 28,076,071.80 and 5,762,843.12 is: 8,645,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,594.16 : 28,076,071.80 = 5,762,843.12 : x
  2. Step 2: Convert to fraction form
    18,715,594.16/28,076,071.80 = 5,762,843.12/x
  3. Step 3: Cross multiply
    18,715,594.16x = 28,076,071.80 × 5,762,843.12
  4. Step 4: Simplify right side
    18,715,594.16x = 161,797,997,209,256.03
  5. Step 5: Solve for x
    x = 161,797,997,209,256.03/18,715,594.16
  6. Step 6: Final answer
    x = 8,645,090.07

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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.