Home / 13,692,744.63-18,896,578.29-7,581,173.13

Finding the Fourth Proportional to 13,692,744.63, 18,896,578.29 and 7,581,173.13

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Solution

The fourth proportional to 13,692,744.63, 18,896,578.29 and 7,581,173.13 is: 10,462,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692,744.63 : 18,896,578.29 = 7,581,173.13 : x
  2. Step 2: Convert to fraction form
    13,692,744.63/18,896,578.29 = 7,581,173.13/x
  3. Step 3: Cross multiply
    13,692,744.63x = 18,896,578.29 × 7,581,173.13
  4. Step 4: Simplify right side
    13,692,744.63x = 143,258,231,581,089.34
  5. Step 5: Solve for x
    x = 143,258,231,581,089.34/13,692,744.63
  6. Step 6: Final answer
    x = 10,462,345.97

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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.