Home / 19,399,836.05-29,102,005.31-6,447,142.65

Finding the Fourth Proportional to 19,399,836.05, 29,102,005.31 and 6,447,142.65

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Solution

The fourth proportional to 19,399,836.05, 29,102,005.31 and 6,447,142.65 is: 9,671,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399,836.05 : 29,102,005.31 = 6,447,142.65 : x
  2. Step 2: Convert to fraction form
    19,399,836.05/29,102,005.31 = 6,447,142.65/x
  3. Step 3: Cross multiply
    19,399,836.05x = 29,102,005.31 × 6,447,142.65
  4. Step 4: Simplify right side
    19,399,836.05x = 187,624,779,711,524.25
  5. Step 5: Solve for x
    x = 187,624,779,711,524.25/19,399,836.05
  6. Step 6: Final answer
    x = 9,671,462.13

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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.