Home / 8,378,267.58-12,555,684.48-4,531,782.90

Finding the Fourth Proportional to 8,378,267.58, 12,555,684.48 and 4,531,782.90

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Solution

The fourth proportional to 8,378,267.58, 12,555,684.48 and 4,531,782.90 is: 6,791,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,267.58 : 12,555,684.48 = 4,531,782.90 : x
  2. Step 2: Convert to fraction form
    8,378,267.58/12,555,684.48 = 4,531,782.90/x
  3. Step 3: Cross multiply
    8,378,267.58x = 12,555,684.48 × 4,531,782.90
  4. Step 4: Simplify right side
    8,378,267.58x = 56,899,636,224,259.40
  5. Step 5: Solve for x
    x = 56,899,636,224,259.40/8,378,267.58
  6. Step 6: Final answer
    x = 6,791,336.72

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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.