Home / 9,571,941.20-13,209,320.22-5,221,120.88

Finding the Fourth Proportional to 9,571,941.20, 13,209,320.22 and 5,221,120.88

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Solution

The fourth proportional to 9,571,941.20, 13,209,320.22 and 5,221,120.88 is: 7,205,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571,941.20 : 13,209,320.22 = 5,221,120.88 : x
  2. Step 2: Convert to fraction form
    9,571,941.20/13,209,320.22 = 5,221,120.88/x
  3. Step 3: Cross multiply
    9,571,941.20x = 13,209,320.22 × 5,221,120.88
  4. Step 4: Simplify right side
    9,571,941.20x = 68,967,457,611,248.20
  5. Step 5: Solve for x
    x = 68,967,457,611,248.20/9,571,941.20
  6. Step 6: Final answer
    x = 7,205,169.38

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1.5x scale

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.