Home / 31,530,666.18-47,273,289.96-19,375,011.30

Finding the Fourth Proportional to 31,530,666.18, 47,273,289.96 and 19,375,011.30

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Solution

The fourth proportional to 31,530,666.18, 47,273,289.96 and 19,375,011.30 is: 29,048,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530,666.18 : 47,273,289.96 = 19,375,011.30 : x
  2. Step 2: Convert to fraction form
    31,530,666.18/47,273,289.96 = 19,375,011.30/x
  3. Step 3: Cross multiply
    31,530,666.18x = 47,273,289.96 × 19,375,011.30
  4. Step 4: Simplify right side
    31,530,666.18x = 915,920,527,163,176.62
  5. Step 5: Solve for x
    x = 915,920,527,163,176.62/31,530,666.18
  6. Step 6: Final answer
    x = 29,048,562.50

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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.