Home / 14,779,692.83-20,405,573.21-13,228,267.83

Finding the Fourth Proportional to 14,779,692.83, 20,405,573.21 and 13,228,267.83

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Solution

The fourth proportional to 14,779,692.83, 20,405,573.21 and 13,228,267.83 is: 18,263,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779,692.83 : 20,405,573.21 = 13,228,267.83 : x
  2. Step 2: Convert to fraction form
    14,779,692.83/20,405,573.21 = 13,228,267.83/x
  3. Step 3: Cross multiply
    14,779,692.83x = 20,405,573.21 × 13,228,267.83
  4. Step 4: Simplify right side
    14,779,692.83x = 269,930,387,580,411.47
  5. Step 5: Solve for x
    x = 269,930,387,580,411.47/14,779,692.83
  6. Step 6: Final answer
    x = 18,263,599.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.