Home / 8,686,507.32-13,029,861.30-2,621,291.58

Finding the Fourth Proportional to 8,686,507.32, 13,029,861.30 and 2,621,291.58

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Solution

The fourth proportional to 8,686,507.32, 13,029,861.30 and 2,621,291.58 is: 3,931,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,507.32 : 13,029,861.30 = 2,621,291.58 : x
  2. Step 2: Convert to fraction form
    8,686,507.32/13,029,861.30 = 2,621,291.58/x
  3. Step 3: Cross multiply
    8,686,507.32x = 13,029,861.30 × 2,621,291.58
  4. Step 4: Simplify right side
    8,686,507.32x = 34,155,065,714,257.86
  5. Step 5: Solve for x
    x = 34,155,065,714,257.86/8,686,507.32
  6. Step 6: Final answer
    x = 3,931,967.64

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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.