Home / 8,871,237.40-13,281,972.90-8,622,405.40

Finding the Fourth Proportional to 8,871,237.40, 13,281,972.90 and 8,622,405.40

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Solution

The fourth proportional to 8,871,237.40, 13,281,972.90 and 8,622,405.40 is: 12,909,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,237.40 : 13,281,972.90 = 8,622,405.40 : x
  2. Step 2: Convert to fraction form
    8,871,237.40/13,281,972.90 = 8,622,405.40/x
  3. Step 3: Cross multiply
    8,871,237.40x = 13,281,972.90 × 8,622,405.40
  4. Step 4: Simplify right side
    8,871,237.40x = 114,522,554,855,613.67
  5. Step 5: Solve for x
    x = 114,522,554,855,613.67/8,871,237.40
  6. Step 6: Final answer
    x = 12,909,422.86

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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.