Home / 16,913,582.68-23,340,915.32-9,178,691.80

Finding the Fourth Proportional to 16,913,582.68, 23,340,915.32 and 9,178,691.80

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Solution

The fourth proportional to 16,913,582.68, 23,340,915.32 and 9,178,691.80 is: 12,666,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913,582.68 : 23,340,915.32 = 9,178,691.80 : x
  2. Step 2: Convert to fraction form
    16,913,582.68/23,340,915.32 = 9,178,691.80/x
  3. Step 3: Cross multiply
    16,913,582.68x = 23,340,915.32 × 9,178,691.80
  4. Step 4: Simplify right side
    16,913,582.68x = 214,239,068,052,178.41
  5. Step 5: Solve for x
    x = 214,239,068,052,178.41/16,913,582.68
  6. Step 6: Final answer
    x = 12,666,687.60

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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.