Home / 19,377,998.40-29,061,748.80-5,731,118.40

Finding the Fourth Proportional to 19,377,998.40, 29,061,748.80 and 5,731,118.40

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Solution

The fourth proportional to 19,377,998.40, 29,061,748.80 and 5,731,118.40 is: 8,595,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377,998.40 : 29,061,748.80 = 5,731,118.40 : x
  2. Step 2: Convert to fraction form
    19,377,998.40/29,061,748.80 = 5,731,118.40/x
  3. Step 3: Cross multiply
    19,377,998.40x = 29,061,748.80 × 5,731,118.40
  4. Step 4: Simplify right side
    19,377,998.40x = 166,556,323,283,857.94
  5. Step 5: Solve for x
    x = 166,556,323,283,857.94/19,377,998.40
  6. Step 6: Final answer
    x = 8,595,125.25

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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.