Home / 19,770,835.40-29,656,253.10-11,808,211.40

Finding the Fourth Proportional to 19,770,835.40, 29,656,253.10 and 11,808,211.40

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Solution

The fourth proportional to 19,770,835.40, 29,656,253.10 and 11,808,211.40 is: 17,712,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770,835.40 : 29,656,253.10 = 11,808,211.40 : x
  2. Step 2: Convert to fraction form
    19,770,835.40/29,656,253.10 = 11,808,211.40/x
  3. Step 3: Cross multiply
    19,770,835.40x = 29,656,253.10 × 11,808,211.40
  4. Step 4: Simplify right side
    19,770,835.40x = 350,187,305,936,705.38
  5. Step 5: Solve for x
    x = 350,187,305,936,705.38/19,770,835.40
  6. Step 6: Final answer
    x = 17,712,317.10

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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.