Home / 11,091,459.40-16,637,189.10-10,666,306.60

Finding the Fourth Proportional to 11,091,459.40, 16,637,189.10 and 10,666,306.60

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Solution

The fourth proportional to 11,091,459.40, 16,637,189.10 and 10,666,306.60 is: 15,999,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091,459.40 : 16,637,189.10 = 10,666,306.60 : x
  2. Step 2: Convert to fraction form
    11,091,459.40/16,637,189.10 = 10,666,306.60/x
  3. Step 3: Cross multiply
    11,091,459.40x = 16,637,189.10 × 10,666,306.60
  4. Step 4: Simplify right side
    11,091,459.40x = 177,457,359,902,778.06
  5. Step 5: Solve for x
    x = 177,457,359,902,778.06/11,091,459.40
  6. Step 6: Final answer
    x = 15,999,459.90

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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.