Home / 8,125,820.40-11,213,560.40-4,454,670.24

Finding the Fourth Proportional to 8,125,820.40, 11,213,560.40 and 4,454,670.24

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Solution

The fourth proportional to 8,125,820.40, 11,213,560.40 and 4,454,670.24 is: 6,147,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,820.40 : 11,213,560.40 = 4,454,670.24 : x
  2. Step 2: Convert to fraction form
    8,125,820.40/11,213,560.40 = 4,454,670.24/x
  3. Step 3: Cross multiply
    8,125,820.40x = 11,213,560.40 × 4,454,670.24
  4. Step 4: Simplify right side
    8,125,820.40x = 49,952,713,798,322.50
  5. Step 5: Solve for x
    x = 49,952,713,798,322.50/8,125,820.40
  6. Step 6: Final answer
    x = 6,147,405.60

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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.