Home / 12,683,309.10-19,010,966.85-7,007,606.70

Finding the Fourth Proportional to 12,683,309.10, 19,010,966.85 and 7,007,606.70

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Solution

The fourth proportional to 12,683,309.10, 19,010,966.85 and 7,007,606.70 is: 10,503,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683,309.10 : 19,010,966.85 = 7,007,606.70 : x
  2. Step 2: Convert to fraction form
    12,683,309.10/19,010,966.85 = 7,007,606.70/x
  3. Step 3: Cross multiply
    12,683,309.10x = 19,010,966.85 × 7,007,606.70
  4. Step 4: Simplify right side
    12,683,309.10x = 133,221,378,671,537.91
  5. Step 5: Solve for x
    x = 133,221,378,671,537.91/12,683,309.10
  6. Step 6: Final answer
    x = 10,503,676.73

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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.