Home / 25,621,877.40-38,376,828.90-19,897,186.20

Finding the Fourth Proportional to 25,621,877.40, 38,376,828.90 and 19,897,186.20

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Solution

The fourth proportional to 25,621,877.40, 38,376,828.90 and 19,897,186.20 is: 29,802,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621,877.40 : 38,376,828.90 = 19,897,186.20 : x
  2. Step 2: Convert to fraction form
    25,621,877.40/38,376,828.90 = 19,897,186.20/x
  3. Step 3: Cross multiply
    25,621,877.40x = 38,376,828.90 × 19,897,186.20
  4. Step 4: Simplify right side
    25,621,877.40x = 763,590,910,388,841.12
  5. Step 5: Solve for x
    x = 763,590,910,388,841.12/25,621,877.40
  6. Step 6: Final answer
    x = 29,802,301.31

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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.