Home / 12,930,954.12-17,849,040.80-7,705,601.36

Finding the Fourth Proportional to 12,930,954.12, 17,849,040.80 and 7,705,601.36

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Solution

The fourth proportional to 12,930,954.12, 17,849,040.80 and 7,705,601.36 is: 10,636,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,930,954.12 : 17,849,040.80 = 7,705,601.36 : x
  2. Step 2: Convert to fraction form
    12,930,954.12/17,849,040.80 = 7,705,601.36/x
  3. Step 3: Cross multiply
    12,930,954.12x = 17,849,040.80 × 7,705,601.36
  4. Step 4: Simplify right side
    12,930,954.12x = 137,537,592,935,402.30
  5. Step 5: Solve for x
    x = 137,537,592,935,402.30/12,930,954.12
  6. Step 6: Final answer
    x = 10,636,306.62

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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.