Home / 11,881,069.66-16,425,861.09-8,778,699.90

Finding the Fourth Proportional to 11,881,069.66, 16,425,861.09 and 8,778,699.90

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Solution

The fourth proportional to 11,881,069.66, 16,425,861.09 and 8,778,699.90 is: 12,136,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,069.66 : 16,425,861.09 = 8,778,699.90 : x
  2. Step 2: Convert to fraction form
    11,881,069.66/16,425,861.09 = 8,778,699.90/x
  3. Step 3: Cross multiply
    11,881,069.66x = 16,425,861.09 × 8,778,699.90
  4. Step 4: Simplify right side
    11,881,069.66x = 144,197,705,064,303.41
  5. Step 5: Solve for x
    x = 144,197,705,064,303.41/11,881,069.66
  6. Step 6: Final answer
    x = 12,136,761.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.