Home / 18,442,856.40-27,664,284.60-9,939,800.40

Finding the Fourth Proportional to 18,442,856.40, 27,664,284.60 and 9,939,800.40

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Solution

The fourth proportional to 18,442,856.40, 27,664,284.60 and 9,939,800.40 is: 14,909,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,856.40 : 27,664,284.60 = 9,939,800.40 : x
  2. Step 2: Convert to fraction form
    18,442,856.40/27,664,284.60 = 9,939,800.40/x
  3. Step 3: Cross multiply
    18,442,856.40x = 27,664,284.60 × 9,939,800.40
  4. Step 4: Simplify right side
    18,442,856.40x = 274,977,467,132,793.88
  5. Step 5: Solve for x
    x = 274,977,467,132,793.88/18,442,856.40
  6. Step 6: Final answer
    x = 14,909,700.60

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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.