Home / 13,829,808.30-20,744,712.45-7,452,516.30

Finding the Fourth Proportional to 13,829,808.30, 20,744,712.45 and 7,452,516.30

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Solution

The fourth proportional to 13,829,808.30, 20,744,712.45 and 7,452,516.30 is: 11,178,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829,808.30 : 20,744,712.45 = 7,452,516.30 : x
  2. Step 2: Convert to fraction form
    13,829,808.30/20,744,712.45 = 7,452,516.30/x
  3. Step 3: Cross multiply
    13,829,808.30x = 20,744,712.45 × 7,452,516.30
  4. Step 4: Simplify right side
    13,829,808.30x = 154,600,307,672,437.94
  5. Step 5: Solve for x
    x = 154,600,307,672,437.94/13,829,808.30
  6. Step 6: Final answer
    x = 11,178,774.45

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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.