Home / 13,194,495.70-18,197,607.79-9,287,186.44

Finding the Fourth Proportional to 13,194,495.70, 18,197,607.79 and 9,287,186.44

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Solution

The fourth proportional to 13,194,495.70, 18,197,607.79 and 9,287,186.44 is: 12,808,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,495.70 : 18,197,607.79 = 9,287,186.44 : x
  2. Step 2: Convert to fraction form
    13,194,495.70/18,197,607.79 = 9,287,186.44/x
  3. Step 3: Cross multiply
    13,194,495.70x = 18,197,607.79 × 9,287,186.44
  4. Step 4: Simplify right side
    13,194,495.70x = 169,004,576,307,726.34
  5. Step 5: Solve for x
    x = 169,004,576,307,726.34/13,194,495.70
  6. Step 6: Final answer
    x = 12,808,718.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.