Home / 18,953,571.56-28,433,901.02-7,594,905.80

Finding the Fourth Proportional to 18,953,571.56, 28,433,901.02 and 7,594,905.80

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Solution

The fourth proportional to 18,953,571.56, 28,433,901.02 and 7,594,905.80 is: 11,393,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,571.56 : 28,433,901.02 = 7,594,905.80 : x
  2. Step 2: Convert to fraction form
    18,953,571.56/28,433,901.02 = 7,594,905.80/x
  3. Step 3: Cross multiply
    18,953,571.56x = 28,433,901.02 × 7,594,905.80
  4. Step 4: Simplify right side
    18,953,571.56x = 215,952,799,773,423.91
  5. Step 5: Solve for x
    x = 215,952,799,773,423.91/18,953,571.56
  6. Step 6: Final answer
    x = 11,393,778.69

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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.