Home / 12,019,157.18-16,586,494.65-6,512,530.57

Finding the Fourth Proportional to 12,019,157.18, 16,586,494.65 and 6,512,530.57

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Solution

The fourth proportional to 12,019,157.18, 16,586,494.65 and 6,512,530.57 is: 8,987,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,157.18 : 16,586,494.65 = 6,512,530.57 : x
  2. Step 2: Convert to fraction form
    12,019,157.18/16,586,494.65 = 6,512,530.57/x
  3. Step 3: Cross multiply
    12,019,157.18x = 16,586,494.65 × 6,512,530.57
  4. Step 4: Simplify right side
    12,019,157.18x = 108,020,053,457,266.45
  5. Step 5: Solve for x
    x = 108,020,053,457,266.45/12,019,157.18
  6. Step 6: Final answer
    x = 8,987,323.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.