Home / 14,981,165.40-20,668,125.66-8,700,623.55

Finding the Fourth Proportional to 14,981,165.40, 20,668,125.66 and 8,700,623.55

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Solution

The fourth proportional to 14,981,165.40, 20,668,125.66 and 8,700,623.55 is: 12,003,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981,165.40 : 20,668,125.66 = 8,700,623.55 : x
  2. Step 2: Convert to fraction form
    14,981,165.40/20,668,125.66 = 8,700,623.55/x
  3. Step 3: Cross multiply
    14,981,165.40x = 20,668,125.66 × 8,700,623.55
  4. Step 4: Simplify right side
    14,981,165.40x = 179,825,580,704,911.56
  5. Step 5: Solve for x
    x = 179,825,580,704,911.56/14,981,165.40
  6. Step 6: Final answer
    x = 12,003,444.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.