Home / 12,781,638.40-19,172,457.60-6,063,174.40

Finding the Fourth Proportional to 12,781,638.40, 19,172,457.60 and 6,063,174.40

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Solution

The fourth proportional to 12,781,638.40, 19,172,457.60 and 6,063,174.40 is: 9,094,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,638.40 : 19,172,457.60 = 6,063,174.40 : x
  2. Step 2: Convert to fraction form
    12,781,638.40/19,172,457.60 = 6,063,174.40/x
  3. Step 3: Cross multiply
    12,781,638.40x = 19,172,457.60 × 6,063,174.40
  4. Step 4: Simplify right side
    12,781,638.40x = 116,245,954,105,405.45
  5. Step 5: Solve for x
    x = 116,245,954,105,405.45/12,781,638.40
  6. Step 6: Final answer
    x = 9,094,761.60

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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.