Home / 18,737,999.60-28,106,999.40-15,549,353.60

Finding the Fourth Proportional to 18,737,999.60, 28,106,999.40 and 15,549,353.60

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Solution

The fourth proportional to 18,737,999.60, 28,106,999.40 and 15,549,353.60 is: 23,324,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,999.60 : 28,106,999.40 = 15,549,353.60 : x
  2. Step 2: Convert to fraction form
    18,737,999.60/28,106,999.40 = 15,549,353.60/x
  3. Step 3: Cross multiply
    18,737,999.60x = 28,106,999.40 × 15,549,353.60
  4. Step 4: Simplify right side
    18,737,999.60x = 437,045,672,305,587.81
  5. Step 5: Solve for x
    x = 437,045,672,305,587.81/18,737,999.60
  6. Step 6: Final answer
    x = 23,324,030.40

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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.