Home / 18,153,283.82-25,052,420.34-10,208,327.13

Finding the Fourth Proportional to 18,153,283.82, 25,052,420.34 and 10,208,327.13

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Solution

The fourth proportional to 18,153,283.82, 25,052,420.34 and 10,208,327.13 is: 14,087,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153,283.82 : 25,052,420.34 = 10,208,327.13 : x
  2. Step 2: Convert to fraction form
    18,153,283.82/25,052,420.34 = 10,208,327.13/x
  3. Step 3: Cross multiply
    18,153,283.82x = 25,052,420.34 × 10,208,327.13
  4. Step 4: Simplify right side
    18,153,283.82x = 255,743,302,228,985.84
  5. Step 5: Solve for x
    x = 255,743,302,228,985.84/18,153,283.82
  6. Step 6: Final answer
    x = 14,087,991.18

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1.5x scale

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.