Home / 10,030,986.42-13,842,921.51-5,679,954.78

Finding the Fourth Proportional to 10,030,986.42, 13,842,921.51 and 5,679,954.78

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Solution

The fourth proportional to 10,030,986.42, 13,842,921.51 and 5,679,954.78 is: 7,838,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030,986.42 : 13,842,921.51 = 5,679,954.78 : x
  2. Step 2: Convert to fraction form
    10,030,986.42/13,842,921.51 = 5,679,954.78/x
  3. Step 3: Cross multiply
    10,030,986.42x = 13,842,921.51 × 5,679,954.78
  4. Step 4: Simplify right side
    10,030,986.42x = 78,627,168,199,889.31
  5. Step 5: Solve for x
    x = 78,627,168,199,889.31/10,030,986.42
  6. Step 6: Final answer
    x = 7,838,428.34

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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.