Home / 11,008,430.20-16,512,645.30-9,378,677.80

Finding the Fourth Proportional to 11,008,430.20, 16,512,645.30 and 9,378,677.80

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Solution

The fourth proportional to 11,008,430.20, 16,512,645.30 and 9,378,677.80 is: 14,068,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,430.20 : 16,512,645.30 = 9,378,677.80 : x
  2. Step 2: Convert to fraction form
    11,008,430.20/16,512,645.30 = 9,378,677.80/x
  3. Step 3: Cross multiply
    11,008,430.20x = 16,512,645.30 × 9,378,677.80
  4. Step 4: Simplify right side
    11,008,430.20x = 154,866,779,894,384.34
  5. Step 5: Solve for x
    x = 154,866,779,894,384.34/11,008,430.20
  6. Step 6: Final answer
    x = 14,068,016.70

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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.