Home / 18,455,565.60-25,464,986.72-10,305,549.60

Finding the Fourth Proportional to 18,455,565.60, 25,464,986.72 and 10,305,549.60

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Solution

The fourth proportional to 18,455,565.60, 25,464,986.72 and 10,305,549.60 is: 14,219,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,565.60 : 25,464,986.72 = 10,305,549.60 : x
  2. Step 2: Convert to fraction form
    18,455,565.60/25,464,986.72 = 10,305,549.60/x
  3. Step 3: Cross multiply
    18,455,565.60x = 25,464,986.72 × 10,305,549.60
  4. Step 4: Simplify right side
    18,455,565.60x = 262,430,683,706,301.28
  5. Step 5: Solve for x
    x = 262,430,683,706,301.28/18,455,565.60
  6. Step 6: Final answer
    x = 14,219,595.83

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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.