Home / 20,769,773.32-31,161,581.43-13,084,545.70

Finding the Fourth Proportional to 20,769,773.32, 31,161,581.43 and 13,084,545.70

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Solution

The fourth proportional to 20,769,773.32, 31,161,581.43 and 13,084,545.70 is: 19,631,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769,773.32 : 31,161,581.43 = 13,084,545.70 : x
  2. Step 2: Convert to fraction form
    20,769,773.32/31,161,581.43 = 13,084,545.70/x
  3. Step 3: Cross multiply
    20,769,773.32x = 31,161,581.43 × 13,084,545.70
  4. Step 4: Simplify right side
    20,769,773.32x = 407,735,136,305,106.31
  5. Step 5: Solve for x
    x = 407,735,136,305,106.31/20,769,773.32
  6. Step 6: Final answer
    x = 19,631,178.93

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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.