Home / 13,508,428.44-18,641,637.36-7,313,475.12

Finding the Fourth Proportional to 13,508,428.44, 18,641,637.36 and 7,313,475.12

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Solution

The fourth proportional to 13,508,428.44, 18,641,637.36 and 7,313,475.12 is: 10,092,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,428.44 : 18,641,637.36 = 7,313,475.12 : x
  2. Step 2: Convert to fraction form
    13,508,428.44/18,641,637.36 = 7,313,475.12/x
  3. Step 3: Cross multiply
    13,508,428.44x = 18,641,637.36 × 7,313,475.12
  4. Step 4: Simplify right side
    13,508,428.44x = 136,335,151,028,422.48
  5. Step 5: Solve for x
    x = 136,335,151,028,422.48/13,508,428.44
  6. Step 6: Final answer
    x = 10,092,598.98

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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.