Home / 18,723,036.60-28,084,554.90-11,038,793.40

Finding the Fourth Proportional to 18,723,036.60, 28,084,554.90 and 11,038,793.40

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Solution

The fourth proportional to 18,723,036.60, 28,084,554.90 and 11,038,793.40 is: 16,558,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,036.60 : 28,084,554.90 = 11,038,793.40 : x
  2. Step 2: Convert to fraction form
    18,723,036.60/28,084,554.90 = 11,038,793.40/x
  3. Step 3: Cross multiply
    18,723,036.60x = 28,084,554.90 × 11,038,793.40
  4. Step 4: Simplify right side
    18,723,036.60x = 310,019,599,272,057.62
  5. Step 5: Solve for x
    x = 310,019,599,272,057.62/18,723,036.60
  6. Step 6: Final answer
    x = 16,558,190.10

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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.