Home / 16,913,612.43-23,340,956.36-9,178,721.55

Finding the Fourth Proportional to 16,913,612.43, 23,340,956.36 and 9,178,721.55

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Solution

The fourth proportional to 16,913,612.43, 23,340,956.36 and 9,178,721.55 is: 12,666,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913,612.43 : 23,340,956.36 = 9,178,721.55 : x
  2. Step 2: Convert to fraction form
    16,913,612.43/23,340,956.36 = 9,178,721.55/x
  3. Step 3: Cross multiply
    16,913,612.43x = 23,340,956.36 × 9,178,721.55
  4. Step 4: Simplify right side
    16,913,612.43x = 214,240,139,093,247.97
  5. Step 5: Solve for x
    x = 214,240,139,093,247.97/16,913,612.43
  6. Step 6: Final answer
    x = 12,666,728.65

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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.