Home / 8,083,281.80-12,089,930.70-7,236,475.40

Finding the Fourth Proportional to 8,083,281.80, 12,089,930.70 and 7,236,475.40

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Solution

The fourth proportional to 8,083,281.80, 12,089,930.70 and 7,236,475.40 is: 10,823,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,281.80 : 12,089,930.70 = 7,236,475.40 : x
  2. Step 2: Convert to fraction form
    8,083,281.80/12,089,930.70 = 7,236,475.40/x
  3. Step 3: Cross multiply
    8,083,281.80x = 12,089,930.70 × 7,236,475.40
  4. Step 4: Simplify right side
    8,083,281.80x = 87,488,486,098,254.78
  5. Step 5: Solve for x
    x = 87,488,486,098,254.78/8,083,281.80
  6. Step 6: Final answer
    x = 10,823,386.87

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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.