Home / 13,101,683.40-19,672,800.30-7,129,715.40

Finding the Fourth Proportional to 13,101,683.40, 19,672,800.30 and 7,129,715.40

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Solution

The fourth proportional to 13,101,683.40, 19,672,800.30 and 7,129,715.40 is: 10,705,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,683.40 : 19,672,800.30 = 7,129,715.40 : x
  2. Step 2: Convert to fraction form
    13,101,683.40/19,672,800.30 = 7,129,715.40/x
  3. Step 3: Cross multiply
    13,101,683.40x = 19,672,800.30 × 7,129,715.40
  4. Step 4: Simplify right side
    13,101,683.40x = 140,261,467,260,034.62
  5. Step 5: Solve for x
    x = 140,261,467,260,034.62/13,101,683.40
  6. Step 6: Final answer
    x = 10,705,606.52

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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.