Home / 16,874,939.52-23,287,406.40-9,139,979.52

Finding the Fourth Proportional to 16,874,939.52, 23,287,406.40 and 9,139,979.52

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Solution

The fourth proportional to 16,874,939.52, 23,287,406.40 and 9,139,979.52 is: 12,613,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874,939.52 : 23,287,406.40 = 9,139,979.52 : x
  2. Step 2: Convert to fraction form
    16,874,939.52/23,287,406.40 = 9,139,979.52/x
  3. Step 3: Cross multiply
    16,874,939.52x = 23,287,406.40 × 9,139,979.52
  4. Step 4: Simplify right side
    16,874,939.52x = 212,846,417,569,916.91
  5. Step 5: Solve for x
    x = 212,846,417,569,916.91/16,874,939.52
  6. Step 6: Final answer
    x = 12,613,166.25

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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.