Home / 13,501,761-18,632,605.14-7,390,058.28

Finding the Fourth Proportional to 13,501,761, 18,632,605.14 and 7,390,058.28

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Solution

The fourth proportional to 13,501,761, 18,632,605.14 and 7,390,058.28 is: 10,198,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,761 : 18,632,605.14 = 7,390,058.28 : x
  2. Step 2: Convert to fraction form
    13,501,761/18,632,605.14 = 7,390,058.28/x
  3. Step 3: Cross multiply
    13,501,761x = 18,632,605.14 × 7,390,058.28
  4. Step 4: Simplify right side
    13,501,761x = 137,696,037,892,827.56
  5. Step 5: Solve for x
    x = 137,696,037,892,827.56/13,501,761
  6. Step 6: Final answer
    x = 10,198,376.19

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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.