Home / 28,931,178.10-43,380,999.15-8,733,795.70

Finding the Fourth Proportional to 28,931,178.10, 43,380,999.15 and 8,733,795.70

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Solution

The fourth proportional to 28,931,178.10, 43,380,999.15 and 8,733,795.70 is: 13,095,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,178.10 : 43,380,999.15 = 8,733,795.70 : x
  2. Step 2: Convert to fraction form
    28,931,178.10/43,380,999.15 = 8,733,795.70/x
  3. Step 3: Cross multiply
    28,931,178.10x = 43,380,999.15 × 8,733,795.70
  4. Step 4: Simplify right side
    28,931,178.10x = 378,880,783,837,973.62
  5. Step 5: Solve for x
    x = 378,880,783,837,973.62/28,931,178.10
  6. Step 6: Final answer
    x = 13,095,933.48

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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.