Home / 9,356,720.40-14,035,080.60-8,400,126.60

Finding the Fourth Proportional to 9,356,720.40, 14,035,080.60 and 8,400,126.60

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Solution

The fourth proportional to 9,356,720.40, 14,035,080.60 and 8,400,126.60 is: 12,600,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356,720.40 : 14,035,080.60 = 8,400,126.60 : x
  2. Step 2: Convert to fraction form
    9,356,720.40/14,035,080.60 = 8,400,126.60/x
  3. Step 3: Cross multiply
    9,356,720.40x = 14,035,080.60 × 8,400,126.60
  4. Step 4: Simplify right side
    9,356,720.40x = 117,896,453,881,203.95
  5. Step 5: Solve for x
    x = 117,896,453,881,203.95/9,356,720.40
  6. Step 6: Final answer
    x = 12,600,189.90

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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.