Home / 18,163,700.55-25,066,023.72-9,903,898.89

Finding the Fourth Proportional to 18,163,700.55, 25,066,023.72 and 9,903,898.89

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Solution

The fourth proportional to 18,163,700.55, 25,066,023.72 and 9,903,898.89 is: 13,667,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163,700.55 : 25,066,023.72 = 9,903,898.89 : x
  2. Step 2: Convert to fraction form
    18,163,700.55/25,066,023.72 = 9,903,898.89/x
  3. Step 3: Cross multiply
    18,163,700.55x = 25,066,023.72 × 9,903,898.89
  4. Step 4: Simplify right side
    18,163,700.55x = 248,251,364,322,372.06
  5. Step 5: Solve for x
    x = 248,251,364,322,372.06/18,163,700.55
  6. Step 6: Final answer
    x = 13,667,444.24

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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.