Home / 5,533,631.40-8,300,447.10-5,108,478.60

Finding the Fourth Proportional to 5,533,631.40, 8,300,447.10 and 5,108,478.60

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Solution

The fourth proportional to 5,533,631.40, 8,300,447.10 and 5,108,478.60 is: 7,662,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533,631.40 : 8,300,447.10 = 5,108,478.60 : x
  2. Step 2: Convert to fraction form
    5,533,631.40/8,300,447.10 = 5,108,478.60/x
  3. Step 3: Cross multiply
    5,533,631.40x = 8,300,447.10 × 5,108,478.60
  4. Step 4: Simplify right side
    5,533,631.40x = 42,402,656,380,782.05
  5. Step 5: Solve for x
    x = 42,402,656,380,782.05/5,533,631.40
  6. Step 6: Final answer
    x = 7,662,717.90

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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.