Home / 28,772,467.20-43,175,289.60-10,834,444.80

Finding the Fourth Proportional to 28,772,467.20, 43,175,289.60 and 10,834,444.80

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Solution

The fourth proportional to 28,772,467.20, 43,175,289.60 and 10,834,444.80 is: 16,257,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772,467.20 : 43,175,289.60 = 10,834,444.80 : x
  2. Step 2: Convert to fraction form
    28,772,467.20/43,175,289.60 = 10,834,444.80/x
  3. Step 3: Cross multiply
    28,772,467.20x = 43,175,289.60 × 10,834,444.80
  4. Step 4: Simplify right side
    28,772,467.20x = 467,780,291,895,214.12
  5. Step 5: Solve for x
    x = 467,780,291,895,214.12/28,772,467.20
  6. Step 6: Final answer
    x = 16,257,913.81

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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.