Home / 13,194,998.37-18,198,301.95-9,287,689.14

Finding the Fourth Proportional to 13,194,998.37, 18,198,301.95 and 9,287,689.14

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Solution

The fourth proportional to 13,194,998.37, 18,198,301.95 and 9,287,689.14 is: 12,809,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,998.37 : 18,198,301.95 = 9,287,689.14 : x
  2. Step 2: Convert to fraction form
    13,194,998.37/18,198,301.95 = 9,287,689.14/x
  3. Step 3: Cross multiply
    13,194,998.37x = 18,198,301.95 × 9,287,689.14
  4. Step 4: Simplify right side
    13,194,998.37x = 169,020,171,387,455.81
  5. Step 5: Solve for x
    x = 169,020,171,387,455.81/13,194,998.37
  6. Step 6: Final answer
    x = 12,809,412.07

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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.