Home / 36,709,394-55,014,488.30-13,977,890.96

Finding the Fourth Proportional to 36,709,394, 55,014,488.30 and 13,977,890.96

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Solution

The fourth proportional to 36,709,394, 55,014,488.30 and 13,977,890.96 is: 20,947,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,709,394 : 55,014,488.30 = 13,977,890.96 : x
  2. Step 2: Convert to fraction form
    36,709,394/55,014,488.30 = 13,977,890.96/x
  3. Step 3: Cross multiply
    36,709,394x = 55,014,488.30 × 13,977,890.96
  4. Step 4: Simplify right side
    36,709,394x = 768,986,518,677,595.75
  5. Step 5: Solve for x
    x = 768,986,518,677,595.75/36,709,394
  6. Step 6: Final answer
    x = 20,947,949.15

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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.