Home / 27,890,291.20-41,779,449.60-15,909,030.40

Finding the Fourth Proportional to 27,890,291.20, 41,779,449.60 and 15,909,030.40

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Solution

The fourth proportional to 27,890,291.20, 41,779,449.60 and 15,909,030.40 is: 23,831,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890,291.20 : 41,779,449.60 = 15,909,030.40 : x
  2. Step 2: Convert to fraction form
    27,890,291.20/41,779,449.60 = 15,909,030.40/x
  3. Step 3: Cross multiply
    27,890,291.20x = 41,779,449.60 × 15,909,030.40
  4. Step 4: Simplify right side
    27,890,291.20x = 664,670,533,781,667.88
  5. Step 5: Solve for x
    x = 664,670,533,781,667.88/27,890,291.20
  6. Step 6: Final answer
    x = 23,831,609.68

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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.