Home / 16,390,815.90-24,586,223.85-12,086,143.80

Finding the Fourth Proportional to 16,390,815.90, 24,586,223.85 and 12,086,143.80

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Solution

The fourth proportional to 16,390,815.90, 24,586,223.85 and 12,086,143.80 is: 18,129,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390,815.90 : 24,586,223.85 = 12,086,143.80 : x
  2. Step 2: Convert to fraction form
    16,390,815.90/24,586,223.85 = 12,086,143.80/x
  3. Step 3: Cross multiply
    16,390,815.90x = 24,586,223.85 × 12,086,143.80
  4. Step 4: Simplify right side
    16,390,815.90x = 297,152,636,950,089.69
  5. Step 5: Solve for x
    x = 297,152,636,950,089.69/16,390,815.90
  6. Step 6: Final answer
    x = 18,129,215.70

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1.5x scale

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.