Home / 28,739,489.60-43,109,234.40-18,535,822.40

Finding the Fourth Proportional to 28,739,489.60, 43,109,234.40 and 18,535,822.40

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Solution

The fourth proportional to 28,739,489.60, 43,109,234.40 and 18,535,822.40 is: 27,803,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,489.60 : 43,109,234.40 = 18,535,822.40 : x
  2. Step 2: Convert to fraction form
    28,739,489.60/43,109,234.40 = 18,535,822.40/x
  3. Step 3: Cross multiply
    28,739,489.60x = 43,109,234.40 × 18,535,822.40
  4. Step 4: Simplify right side
    28,739,489.60x = 799,065,112,638,370.50
  5. Step 5: Solve for x
    x = 799,065,112,638,370.50/28,739,489.60
  6. Step 6: Final answer
    x = 27,803,733.60

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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.