Home / 12,097,967.20-18,155,245.20-5,371,208.80

Finding the Fourth Proportional to 12,097,967.20, 18,155,245.20 and 5,371,208.80

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Solution

The fourth proportional to 12,097,967.20, 18,155,245.20 and 5,371,208.80 is: 8,060,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,967.20 : 18,155,245.20 = 5,371,208.80 : x
  2. Step 2: Convert to fraction form
    12,097,967.20/18,155,245.20 = 5,371,208.80/x
  3. Step 3: Cross multiply
    12,097,967.20x = 18,155,245.20 × 5,371,208.80
  4. Step 4: Simplify right side
    12,097,967.20x = 97,515,612,784,397.75
  5. Step 5: Solve for x
    x = 97,515,612,784,397.75/12,097,967.20
  6. Step 6: Final answer
    x = 8,060,495.72

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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.