Home / 12,834,538.40-19,251,621.48-3,119,223.44

Finding the Fourth Proportional to 12,834,538.40, 19,251,621.48 and 3,119,223.44

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Solution

The fourth proportional to 12,834,538.40, 19,251,621.48 and 3,119,223.44 is: 4,678,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834,538.40 : 19,251,621.48 = 3,119,223.44 : x
  2. Step 2: Convert to fraction form
    12,834,538.40/19,251,621.48 = 3,119,223.44/x
  3. Step 3: Cross multiply
    12,834,538.40x = 19,251,621.48 × 3,119,223.44
  4. Step 4: Simplify right side
    12,834,538.40x = 60,050,108,978,423.49
  5. Step 5: Solve for x
    x = 60,050,108,978,423.49/12,834,538.40
  6. Step 6: Final answer
    x = 4,678,789.93

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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.