Home / 28,972,865.60-43,459,298.40-25,697,614.40

Finding the Fourth Proportional to 28,972,865.60, 43,459,298.40 and 25,697,614.40

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Solution

The fourth proportional to 28,972,865.60, 43,459,298.40 and 25,697,614.40 is: 38,546,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972,865.60 : 43,459,298.40 = 25,697,614.40 : x
  2. Step 2: Convert to fraction form
    28,972,865.60/43,459,298.40 = 25,697,614.40/x
  3. Step 3: Cross multiply
    28,972,865.60x = 43,459,298.40 × 25,697,614.40
  4. Step 4: Simplify right side
    28,972,865.60x = 1,116,800,292,377,736.88
  5. Step 5: Solve for x
    x = 1,116,800,292,377,736.88/28,972,865.60
  6. Step 6: Final answer
    x = 38,546,421.60

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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.