Home / 13,988,719-19,303,684.44-7,709,042.29

Finding the Fourth Proportional to 13,988,719, 19,303,684.44 and 7,709,042.29

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Solution

The fourth proportional to 13,988,719, 19,303,684.44 and 7,709,042.29 is: 10,638,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,719 : 19,303,684.44 = 7,709,042.29 : x
  2. Step 2: Convert to fraction form
    13,988,719/19,303,684.44 = 7,709,042.29/x
  3. Step 3: Cross multiply
    13,988,719x = 19,303,684.44 × 7,709,042.29
  4. Step 4: Simplify right side
    13,988,719x = 148,812,919,700,774.97
  5. Step 5: Solve for x
    x = 148,812,919,700,774.97/13,988,719
  6. Step 6: Final answer
    x = 10,638,066.27

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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.