Home / 12,980,808.50-19,467,071.79-4,459,090.10

Finding the Fourth Proportional to 12,980,808.50, 19,467,071.79 and 4,459,090.10

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Solution

The fourth proportional to 12,980,808.50, 19,467,071.79 and 4,459,090.10 is: 6,687,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980,808.50 : 19,467,071.79 = 4,459,090.10 : x
  2. Step 2: Convert to fraction form
    12,980,808.50/19,467,071.79 = 4,459,090.10/x
  3. Step 3: Cross multiply
    12,980,808.50x = 19,467,071.79 × 4,459,090.10
  4. Step 4: Simplify right side
    12,980,808.50x = 86,805,427,094,778.27
  5. Step 5: Solve for x
    x = 86,805,427,094,778.27/12,980,808.50
  6. Step 6: Final answer
    x = 6,687,212.67

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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.