Home / 18,380,051.62-25,364,261.63-10,119,941.55

Finding the Fourth Proportional to 18,380,051.62, 25,364,261.63 and 10,119,941.55

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Solution

The fourth proportional to 18,380,051.62, 25,364,261.63 and 10,119,941.55 is: 13,965,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380,051.62 : 25,364,261.63 = 10,119,941.55 : x
  2. Step 2: Convert to fraction form
    18,380,051.62/25,364,261.63 = 10,119,941.55/x
  3. Step 3: Cross multiply
    18,380,051.62x = 25,364,261.63 × 10,119,941.55
  4. Step 4: Simplify right side
    18,380,051.62x = 256,684,845,179,807.59
  5. Step 5: Solve for x
    x = 256,684,845,179,807.59/18,380,051.62
  6. Step 6: Final answer
    x = 13,965,403.93

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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.