Home / 28,739,235.60-43,108,853.40-18,535,568.40

Finding the Fourth Proportional to 28,739,235.60, 43,108,853.40 and 18,535,568.40

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Solution

The fourth proportional to 28,739,235.60, 43,108,853.40 and 18,535,568.40 is: 27,803,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,235.60 : 43,108,853.40 = 18,535,568.40 : x
  2. Step 2: Convert to fraction form
    28,739,235.60/43,108,853.40 = 18,535,568.40/x
  3. Step 3: Cross multiply
    28,739,235.60x = 43,108,853.40 × 18,535,568.40
  4. Step 4: Simplify right side
    28,739,235.60x = 799,047,100,841,272.50
  5. Step 5: Solve for x
    x = 799,047,100,841,272.50/28,739,235.60
  6. Step 6: Final answer
    x = 27,803,352.60

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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.