Home / 7,390,905.30-11,088,431.55-3,604,511.70

Finding the Fourth Proportional to 7,390,905.30, 11,088,431.55 and 3,604,511.70

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Solution

The fourth proportional to 7,390,905.30, 11,088,431.55 and 3,604,511.70 is: 5,407,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,905.30 : 11,088,431.55 = 3,604,511.70 : x
  2. Step 2: Convert to fraction form
    7,390,905.30/11,088,431.55 = 3,604,511.70/x
  3. Step 3: Cross multiply
    7,390,905.30x = 11,088,431.55 × 3,604,511.70
  4. Step 4: Simplify right side
    7,390,905.30x = 39,968,381,256,624.14
  5. Step 5: Solve for x
    x = 39,968,381,256,624.14/7,390,905.30
  6. Step 6: Final answer
    x = 5,407,778.84

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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.