Home / 29,906,172.81-41,278,196.70-19,478,174.08

Finding the Fourth Proportional to 29,906,172.81, 41,278,196.70 and 19,478,174.08

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Solution

The fourth proportional to 29,906,172.81, 41,278,196.70 and 19,478,174.08 is: 26,884,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,906,172.81 : 41,278,196.70 = 19,478,174.08 : x
  2. Step 2: Convert to fraction form
    29,906,172.81/41,278,196.70 = 19,478,174.08/x
  3. Step 3: Cross multiply
    29,906,172.81x = 41,278,196.70 × 19,478,174.08
  4. Step 4: Simplify right side
    29,906,172.81x = 804,023,901,031,081.50
  5. Step 5: Solve for x
    x = 804,023,901,031,081.50/29,906,172.81
  6. Step 6: Final answer
    x = 26,884,881.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.