Home / 19,008,097.20-28,512,145.80-6,229,018.80

Finding the Fourth Proportional to 19,008,097.20, 28,512,145.80 and 6,229,018.80

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Solution

The fourth proportional to 19,008,097.20, 28,512,145.80 and 6,229,018.80 is: 9,343,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,097.20 : 28,512,145.80 = 6,229,018.80 : x
  2. Step 2: Convert to fraction form
    19,008,097.20/28,512,145.80 = 6,229,018.80/x
  3. Step 3: Cross multiply
    19,008,097.20x = 28,512,145.80 × 6,229,018.80
  4. Step 4: Simplify right side
    19,008,097.20x = 177,602,692,216,541.03
  5. Step 5: Solve for x
    x = 177,602,692,216,541.03/19,008,097.20
  6. Step 6: Final answer
    x = 9,343,528.20

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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.