Home / 19,182,968.20-28,749,957.90-7,810,568.20

Finding the Fourth Proportional to 19,182,968.20, 28,749,957.90 and 7,810,568.20

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Solution

The fourth proportional to 19,182,968.20, 28,749,957.90 and 7,810,568.20 is: 11,705,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182,968.20 : 28,749,957.90 = 7,810,568.20 : x
  2. Step 2: Convert to fraction form
    19,182,968.20/28,749,957.90 = 7,810,568.20/x
  3. Step 3: Cross multiply
    19,182,968.20x = 28,749,957.90 × 7,810,568.20
  4. Step 4: Simplify right side
    19,182,968.20x = 224,553,506,925,078.78
  5. Step 5: Solve for x
    x = 224,553,506,925,078.78/19,182,968.20
  6. Step 6: Final answer
    x = 11,705,879.12

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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.