Home / 9,643,622.40-13,315,276.80-8,449,228.80

Finding the Fourth Proportional to 9,643,622.40, 13,315,276.80 and 8,449,228.80

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Solution

The fourth proportional to 9,643,622.40, 13,315,276.80 and 8,449,228.80 is: 11,666,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643,622.40 : 13,315,276.80 = 8,449,228.80 : x
  2. Step 2: Convert to fraction form
    9,643,622.40/13,315,276.80 = 8,449,228.80/x
  3. Step 3: Cross multiply
    9,643,622.40x = 13,315,276.80 × 8,449,228.80
  4. Step 4: Simplify right side
    9,643,622.40x = 112,503,820,218,531.86
  5. Step 5: Solve for x
    x = 112,503,820,218,531.86/9,643,622.40
  6. Step 6: Final answer
    x = 11,666,137.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.