Home / 12,710,133.90-19,065,200.85-12,214,122.30

Finding the Fourth Proportional to 12,710,133.90, 19,065,200.85 and 12,214,122.30

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Solution

The fourth proportional to 12,710,133.90, 19,065,200.85 and 12,214,122.30 is: 18,321,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,133.90 : 19,065,200.85 = 12,214,122.30 : x
  2. Step 2: Convert to fraction form
    12,710,133.90/19,065,200.85 = 12,214,122.30/x
  3. Step 3: Cross multiply
    12,710,133.90x = 19,065,200.85 × 12,214,122.30
  4. Step 4: Simplify right side
    12,710,133.90x = 232,864,694,855,964
  5. Step 5: Solve for x
    x = 232,864,694,855,964/12,710,133.90
  6. Step 6: Final answer
    x = 18,321,183.45

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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.