Home / 13,702,461.40-20,553,692.10-8,029,091.80

Finding the Fourth Proportional to 13,702,461.40, 20,553,692.10 and 8,029,091.80

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Solution

The fourth proportional to 13,702,461.40, 20,553,692.10 and 8,029,091.80 is: 12,043,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,461.40 : 20,553,692.10 = 8,029,091.80 : x
  2. Step 2: Convert to fraction form
    13,702,461.40/20,553,692.10 = 8,029,091.80/x
  3. Step 3: Cross multiply
    13,702,461.40x = 20,553,692.10 × 8,029,091.80
  4. Step 4: Simplify right side
    13,702,461.40x = 165,027,480,699,834.78
  5. Step 5: Solve for x
    x = 165,027,480,699,834.78/13,702,461.40
  6. Step 6: Final answer
    x = 12,043,637.70

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1.5x scale

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.