Home / 28,962,142.80-43,443,214.20-8,767,384.80

Finding the Fourth Proportional to 28,962,142.80, 43,443,214.20 and 8,767,384.80

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Solution

The fourth proportional to 28,962,142.80, 43,443,214.20 and 8,767,384.80 is: 13,151,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962,142.80 : 43,443,214.20 = 8,767,384.80 : x
  2. Step 2: Convert to fraction form
    28,962,142.80/43,443,214.20 = 8,767,384.80/x
  3. Step 3: Cross multiply
    28,962,142.80x = 43,443,214.20 × 8,767,384.80
  4. Step 4: Simplify right side
    28,962,142.80x = 380,883,375,840,224.19
  5. Step 5: Solve for x
    x = 380,883,375,840,224.19/28,962,142.80
  6. Step 6: Final answer
    x = 13,151,077.20

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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.