Home / 18,592,877.70-27,889,316.55-11,318,040.90

Finding the Fourth Proportional to 18,592,877.70, 27,889,316.55 and 11,318,040.90

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Solution

The fourth proportional to 18,592,877.70, 27,889,316.55 and 11,318,040.90 is: 16,977,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592,877.70 : 27,889,316.55 = 11,318,040.90 : x
  2. Step 2: Convert to fraction form
    18,592,877.70/27,889,316.55 = 11,318,040.90/x
  3. Step 3: Cross multiply
    18,592,877.70x = 27,889,316.55 × 11,318,040.90
  4. Step 4: Simplify right side
    18,592,877.70x = 315,652,425,385,946.94
  5. Step 5: Solve for x
    x = 315,652,425,385,946.94/18,592,877.70
  6. Step 6: Final answer
    x = 16,977,061.35

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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.