Home / 18,390,968.46-25,380,323.80-10,242,206.46

Finding the Fourth Proportional to 18,390,968.46, 25,380,323.80 and 10,242,206.46

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Solution

The fourth proportional to 18,390,968.46, 25,380,323.80 and 10,242,206.46 is: 14,134,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390,968.46 : 25,380,323.80 = 10,242,206.46 : x
  2. Step 2: Convert to fraction form
    18,390,968.46/25,380,323.80 = 10,242,206.46/x
  3. Step 3: Cross multiply
    18,390,968.46x = 25,380,323.80 × 10,242,206.46
  4. Step 4: Simplify right side
    18,390,968.46x = 259,950,516,381,251.78
  5. Step 5: Solve for x
    x = 259,950,516,381,251.78/18,390,968.46
  6. Step 6: Final answer
    x = 14,134,683.39

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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.