Home / 14,307,676.72-19,744,403.06-7,781,165.71

Finding the Fourth Proportional to 14,307,676.72, 19,744,403.06 and 7,781,165.71

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Solution

The fourth proportional to 14,307,676.72, 19,744,403.06 and 7,781,165.71 is: 10,737,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307,676.72 : 19,744,403.06 = 7,781,165.71 : x
  2. Step 2: Convert to fraction form
    14,307,676.72/19,744,403.06 = 7,781,165.71/x
  3. Step 3: Cross multiply
    14,307,676.72x = 19,744,403.06 × 7,781,165.71
  4. Step 4: Simplify right side
    14,307,676.72x = 153,634,472,024,982.97
  5. Step 5: Solve for x
    x = 153,634,472,024,982.97/14,307,676.72
  6. Step 6: Final answer
    x = 10,737,904.91

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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.