Home / 7,886,438.40-11,829,657.60-3,398,714.40

Finding the Fourth Proportional to 7,886,438.40, 11,829,657.60 and 3,398,714.40

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Solution

The fourth proportional to 7,886,438.40, 11,829,657.60 and 3,398,714.40 is: 5,098,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,438.40 : 11,829,657.60 = 3,398,714.40 : x
  2. Step 2: Convert to fraction form
    7,886,438.40/11,829,657.60 = 3,398,714.40/x
  3. Step 3: Cross multiply
    7,886,438.40x = 11,829,657.60 × 3,398,714.40
  4. Step 4: Simplify right side
    7,886,438.40x = 40,205,627,632,189.44
  5. Step 5: Solve for x
    x = 40,205,627,632,189.44/7,886,438.40
  6. Step 6: Final answer
    x = 5,098,071.60

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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.