Home / 8,272,021.20-12,408,420.60-2,592,430.80

Finding the Fourth Proportional to 8,272,021.20, 12,408,420.60 and 2,592,430.80

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Solution

The fourth proportional to 8,272,021.20, 12,408,420.60 and 2,592,430.80 is: 3,888,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,021.20 : 12,408,420.60 = 2,592,430.80 : x
  2. Step 2: Convert to fraction form
    8,272,021.20/12,408,420.60 = 2,592,430.80/x
  3. Step 3: Cross multiply
    8,272,021.20x = 12,408,420.60 × 2,592,430.80
  4. Step 4: Simplify right side
    8,272,021.20x = 32,167,971,742,794.48
  5. Step 5: Solve for x
    x = 32,167,971,742,794.48/8,272,021.20
  6. Step 6: Final answer
    x = 3,888,768.05

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1.5x scale

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.