Home / 7,939,732.20-11,909,598.30-4,916,423.40

Finding the Fourth Proportional to 7,939,732.20, 11,909,598.30 and 4,916,423.40

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Solution

The fourth proportional to 7,939,732.20, 11,909,598.30 and 4,916,423.40 is: 7,374,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,732.20 : 11,909,598.30 = 4,916,423.40 : x
  2. Step 2: Convert to fraction form
    7,939,732.20/11,909,598.30 = 4,916,423.40/x
  3. Step 3: Cross multiply
    7,939,732.20x = 11,909,598.30 × 4,916,423.40
  4. Step 4: Simplify right side
    7,939,732.20x = 58,552,627,766,720.23
  5. Step 5: Solve for x
    x = 58,552,627,766,720.23/7,939,732.20
  6. Step 6: Final answer
    x = 7,374,635.10

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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.