Home / 19,618,678.51-29,408,925.25-9,380,894.11

Finding the Fourth Proportional to 19,618,678.51, 29,408,925.25 and 9,380,894.11

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Solution

The fourth proportional to 19,618,678.51, 29,408,925.25 and 9,380,894.11 is: 14,062,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618,678.51 : 29,408,925.25 = 9,380,894.11 : x
  2. Step 2: Convert to fraction form
    19,618,678.51/29,408,925.25 = 9,380,894.11/x
  3. Step 3: Cross multiply
    19,618,678.51x = 29,408,925.25 × 9,380,894.11
  4. Step 4: Simplify right side
    19,618,678.51x = 275,882,013,597,359.06
  5. Step 5: Solve for x
    x = 275,882,013,597,359.06/19,618,678.51
  6. Step 6: Final answer
    x = 14,062,211.86

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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.