Home / 18,698,864.90-28,040,002.95-8,596,285.70

Finding the Fourth Proportional to 18,698,864.90, 28,040,002.95 and 8,596,285.70

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Solution

The fourth proportional to 18,698,864.90, 28,040,002.95 and 8,596,285.70 is: 12,890,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698,864.90 : 28,040,002.95 = 8,596,285.70 : x
  2. Step 2: Convert to fraction form
    18,698,864.90/28,040,002.95 = 8,596,285.70/x
  3. Step 3: Cross multiply
    18,698,864.90x = 28,040,002.95 × 8,596,285.70
  4. Step 4: Simplify right side
    18,698,864.90x = 241,039,876,387,042.78
  5. Step 5: Solve for x
    x = 241,039,876,387,042.78/18,698,864.90
  6. Step 6: Final answer
    x = 12,890,615.43

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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.