Home / 12,768,461.20-19,152,691.80-11,174,138.20

Finding the Fourth Proportional to 12,768,461.20, 19,152,691.80 and 11,174,138.20

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Solution

The fourth proportional to 12,768,461.20, 19,152,691.80 and 11,174,138.20 is: 16,761,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,461.20 : 19,152,691.80 = 11,174,138.20 : x
  2. Step 2: Convert to fraction form
    12,768,461.20/19,152,691.80 = 11,174,138.20/x
  3. Step 3: Cross multiply
    12,768,461.20x = 19,152,691.80 × 11,174,138.20
  4. Step 4: Simplify right side
    12,768,461.20x = 214,014,825,075,206.75
  5. Step 5: Solve for x
    x = 214,014,825,075,206.75/12,768,461.20
  6. Step 6: Final answer
    x = 16,761,207.30

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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.