Home / 28,546,544.60-42,819,816.90-19,937,200.40

Finding the Fourth Proportional to 28,546,544.60, 42,819,816.90 and 19,937,200.40

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Solution

The fourth proportional to 28,546,544.60, 42,819,816.90 and 19,937,200.40 is: 29,905,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,544.60 : 42,819,816.90 = 19,937,200.40 : x
  2. Step 2: Convert to fraction form
    28,546,544.60/42,819,816.90 = 19,937,200.40/x
  3. Step 3: Cross multiply
    28,546,544.60x = 42,819,816.90 × 19,937,200.40
  4. Step 4: Simplify right side
    28,546,544.60x = 853,707,270,626,606.62
  5. Step 5: Solve for x
    x = 853,707,270,626,606.62/28,546,544.60
  6. Step 6: Final answer
    x = 29,905,800.60

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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.