Home / 8,871,236.40-13,281,971.40-8,622,404.40

Finding the Fourth Proportional to 8,871,236.40, 13,281,971.40 and 8,622,404.40

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Solution

The fourth proportional to 8,871,236.40, 13,281,971.40 and 8,622,404.40 is: 12,909,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,236.40 : 13,281,971.40 = 8,622,404.40 : x
  2. Step 2: Convert to fraction form
    8,871,236.40/13,281,971.40 = 8,622,404.40/x
  3. Step 3: Cross multiply
    8,871,236.40x = 13,281,971.40 × 8,622,404.40
  4. Step 4: Simplify right side
    8,871,236.40x = 114,522,528,640,034.17
  5. Step 5: Solve for x
    x = 114,522,528,640,034.17/8,871,236.40
  6. Step 6: Final answer
    x = 12,909,421.36

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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.