Home / 8,691,794.40-13,039,246.80-3,643,615.20

Finding the Fourth Proportional to 8,691,794.40, 13,039,246.80 and 3,643,615.20

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Solution

The fourth proportional to 8,691,794.40, 13,039,246.80 and 3,643,615.20 is: 5,466,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,794.40 : 13,039,246.80 = 3,643,615.20 : x
  2. Step 2: Convert to fraction form
    8,691,794.40/13,039,246.80 = 3,643,615.20/x
  3. Step 3: Cross multiply
    8,691,794.40x = 13,039,246.80 × 3,643,615.20
  4. Step 4: Simplify right side
    8,691,794.40x = 47,509,997,837,031.37
  5. Step 5: Solve for x
    x = 47,509,997,837,031.37/8,691,794.40
  6. Step 6: Final answer
    x = 5,466,074.74

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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.