Home / 8,129,991.40-12,170,103.90-5,890,503.40

Finding the Fourth Proportional to 8,129,991.40, 12,170,103.90 and 5,890,503.40

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Solution

The fourth proportional to 8,129,991.40, 12,170,103.90 and 5,890,503.40 is: 8,817,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,991.40 : 12,170,103.90 = 5,890,503.40 : x
  2. Step 2: Convert to fraction form
    8,129,991.40/12,170,103.90 = 5,890,503.40/x
  3. Step 3: Cross multiply
    8,129,991.40x = 12,170,103.90 × 5,890,503.40
  4. Step 4: Simplify right side
    8,129,991.40x = 71,688,038,401,303.27
  5. Step 5: Solve for x
    x = 71,688,038,401,303.27/8,129,991.40
  6. Step 6: Final answer
    x = 8,817,726.23

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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.