Home / 13,365,878.01-18,441,750.39-7,564,659.73

Finding the Fourth Proportional to 13,365,878.01, 18,441,750.39 and 7,564,659.73

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Solution

The fourth proportional to 13,365,878.01, 18,441,750.39 and 7,564,659.73 is: 10,437,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,878.01 : 18,441,750.39 = 7,564,659.73 : x
  2. Step 2: Convert to fraction form
    13,365,878.01/18,441,750.39 = 7,564,659.73/x
  3. Step 3: Cross multiply
    13,365,878.01x = 18,441,750.39 × 7,564,659.73
  4. Step 4: Simplify right side
    13,365,878.01x = 139,505,566,488,121.52
  5. Step 5: Solve for x
    x = 139,505,566,488,121.52/13,365,878.01
  6. Step 6: Final answer
    x = 10,437,441.25

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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.