Home / 18,433,043.40-27,649,565.10-13,047,774.60

Finding the Fourth Proportional to 18,433,043.40, 27,649,565.10 and 13,047,774.60

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Solution

The fourth proportional to 18,433,043.40, 27,649,565.10 and 13,047,774.60 is: 19,571,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433,043.40 : 27,649,565.10 = 13,047,774.60 : x
  2. Step 2: Convert to fraction form
    18,433,043.40/27,649,565.10 = 13,047,774.60/x
  3. Step 3: Cross multiply
    18,433,043.40x = 27,649,565.10 × 13,047,774.60
  4. Step 4: Simplify right side
    18,433,043.40x = 360,765,293,212,826.50
  5. Step 5: Solve for x
    x = 360,765,293,212,826.50/18,433,043.40
  6. Step 6: Final answer
    x = 19,571,661.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.