Home / 12,097,968.20-18,155,246.70-5,371,209.80

Finding the Fourth Proportional to 12,097,968.20, 18,155,246.70 and 5,371,209.80

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Solution

The fourth proportional to 12,097,968.20, 18,155,246.70 and 5,371,209.80 is: 8,060,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,968.20 : 18,155,246.70 = 5,371,209.80 : x
  2. Step 2: Convert to fraction form
    12,097,968.20/18,155,246.70 = 5,371,209.80/x
  3. Step 3: Cross multiply
    12,097,968.20x = 18,155,246.70 × 5,371,209.80
  4. Step 4: Simplify right side
    12,097,968.20x = 97,515,638,996,457.66
  5. Step 5: Solve for x
    x = 97,515,638,996,457.66/12,097,968.20
  6. Step 6: Final answer
    x = 8,060,497.22

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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.