Home / 12,595,946.43-18,877,942.68-5,672,038.29

Finding the Fourth Proportional to 12,595,946.43, 18,877,942.68 and 5,672,038.29

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Solution

The fourth proportional to 12,595,946.43, 18,877,942.68 and 5,672,038.29 is: 8,500,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595,946.43 : 18,877,942.68 = 5,672,038.29 : x
  2. Step 2: Convert to fraction form
    12,595,946.43/18,877,942.68 = 5,672,038.29/x
  3. Step 3: Cross multiply
    12,595,946.43x = 18,877,942.68 × 5,672,038.29
  4. Step 4: Simplify right side
    12,595,946.43x = 107,076,413,625,322.78
  5. Step 5: Solve for x
    x = 107,076,413,625,322.78/12,595,946.43
  6. Step 6: Final answer
    x = 8,500,862.89

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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.