Home / 28,807,789.34-43,167,508.63-19,574,001.83

Finding the Fourth Proportional to 28,807,789.34, 43,167,508.63 and 19,574,001.83

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Solution

The fourth proportional to 28,807,789.34, 43,167,508.63 and 19,574,001.83 is: 29,330,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807,789.34 : 43,167,508.63 = 19,574,001.83 : x
  2. Step 2: Convert to fraction form
    28,807,789.34/43,167,508.63 = 19,574,001.83/x
  3. Step 3: Cross multiply
    28,807,789.34x = 43,167,508.63 × 19,574,001.83
  4. Step 4: Simplify right side
    28,807,789.34x = 844,960,892,920,160.75
  5. Step 5: Solve for x
    x = 844,960,892,920,160.75/28,807,789.34
  6. Step 6: Final answer
    x = 29,330,986.94

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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.