Home / 9,200,099.40-12,696,187.08-5,279,543.30

Finding the Fourth Proportional to 9,200,099.40, 12,696,187.08 and 5,279,543.30

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Solution

The fourth proportional to 9,200,099.40, 12,696,187.08 and 5,279,543.30 is: 7,285,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200,099.40 : 12,696,187.08 = 5,279,543.30 : x
  2. Step 2: Convert to fraction form
    9,200,099.40/12,696,187.08 = 5,279,543.30/x
  3. Step 3: Cross multiply
    9,200,099.40x = 12,696,187.08 × 5,279,543.30
  4. Step 4: Simplify right side
    9,200,099.40x = 67,030,069,433,760.56
  5. Step 5: Solve for x
    x = 67,030,069,433,760.56/9,200,099.40
  6. Step 6: Final answer
    x = 7,285,798.39

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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.