Home / 21,035,660.70-31,580,063.10-11,328,005.10

Finding the Fourth Proportional to 21,035,660.70, 31,580,063.10 and 11,328,005.10

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Solution

The fourth proportional to 21,035,660.70, 31,580,063.10 and 11,328,005.10 is: 17,006,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035,660.70 : 31,580,063.10 = 11,328,005.10 : x
  2. Step 2: Convert to fraction form
    21,035,660.70/31,580,063.10 = 11,328,005.10/x
  3. Step 3: Cross multiply
    21,035,660.70x = 31,580,063.10 × 11,328,005.10
  4. Step 4: Simplify right side
    21,035,660.70x = 357,739,115,855,121.81
  5. Step 5: Solve for x
    x = 357,739,115,855,121.81/21,035,660.70
  6. Step 6: Final answer
    x = 17,006,317.08

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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.