Home / 28,739,577.60-43,109,366.40-18,535,910.40

Finding the Fourth Proportional to 28,739,577.60, 43,109,366.40 and 18,535,910.40

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Solution

The fourth proportional to 28,739,577.60, 43,109,366.40 and 18,535,910.40 is: 27,803,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,577.60 : 43,109,366.40 = 18,535,910.40 : x
  2. Step 2: Convert to fraction form
    28,739,577.60/43,109,366.40 = 18,535,910.40/x
  3. Step 3: Cross multiply
    28,739,577.60x = 43,109,366.40 × 18,535,910.40
  4. Step 4: Simplify right side
    28,739,577.60x = 799,071,352,991,170.50
  5. Step 5: Solve for x
    x = 799,071,352,991,170.50/28,739,577.60
  6. Step 6: Final answer
    x = 27,803,865.60

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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.