Home / 8,750,652.75-13,142,995.20-7,132,609.31

Finding the Fourth Proportional to 8,750,652.75, 13,142,995.20 and 7,132,609.31

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Solution

The fourth proportional to 8,750,652.75, 13,142,995.20 and 7,132,609.31 is: 10,712,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,652.75 : 13,142,995.20 = 7,132,609.31 : x
  2. Step 2: Convert to fraction form
    8,750,652.75/13,142,995.20 = 7,132,609.31/x
  3. Step 3: Cross multiply
    8,750,652.75x = 13,142,995.20 × 7,132,609.31
  4. Step 4: Simplify right side
    8,750,652.75x = 93,743,849,859,090.33
  5. Step 5: Solve for x
    x = 93,743,849,859,090.33/8,750,652.75
  6. Step 6: Final answer
    x = 10,712,783.67

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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.