Home / 11,781,638.40-17,672,457.60-6,112,934.40

Finding the Fourth Proportional to 11,781,638.40, 17,672,457.60 and 6,112,934.40

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Solution

The fourth proportional to 11,781,638.40, 17,672,457.60 and 6,112,934.40 is: 9,169,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781,638.40 : 17,672,457.60 = 6,112,934.40 : x
  2. Step 2: Convert to fraction form
    11,781,638.40/17,672,457.60 = 6,112,934.40/x
  3. Step 3: Cross multiply
    11,781,638.40x = 17,672,457.60 × 6,112,934.40
  4. Step 4: Simplify right side
    11,781,638.40x = 108,030,573,995,581.45
  5. Step 5: Solve for x
    x = 108,030,573,995,581.45/11,781,638.40
  6. Step 6: Final answer
    x = 9,169,401.60

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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.