Home / 38,639,607.20-57,966,409.20-19,422,000.80

Finding the Fourth Proportional to 38,639,607.20, 57,966,409.20 and 19,422,000.80

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Solution

The fourth proportional to 38,639,607.20, 57,966,409.20 and 19,422,000.80 is: 29,136,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,607.20 : 57,966,409.20 = 19,422,000.80 : x
  2. Step 2: Convert to fraction form
    38,639,607.20/57,966,409.20 = 19,422,000.80/x
  3. Step 3: Cross multiply
    38,639,607.20x = 57,966,409.20 × 19,422,000.80
  4. Step 4: Simplify right side
    38,639,607.20x = 1,125,823,645,855,527.50
  5. Step 5: Solve for x
    x = 1,125,823,645,855,527.50/38,639,607.20
  6. Step 6: Final answer
    x = 29,136,518.91

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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.