Home / 39,191,490.89-54,081,193.73-21,786,776.27

Finding the Fourth Proportional to 39,191,490.89, 54,081,193.73 and 21,786,776.27

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Solution

The fourth proportional to 39,191,490.89, 54,081,193.73 and 21,786,776.27 is: 30,064,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191,490.89 : 54,081,193.73 = 21,786,776.27 : x
  2. Step 2: Convert to fraction form
    39,191,490.89/54,081,193.73 = 21,786,776.27/x
  3. Step 3: Cross multiply
    39,191,490.89x = 54,081,193.73 × 21,786,776.27
  4. Step 4: Simplify right side
    39,191,490.89x = 1,178,254,868,033,501.50
  5. Step 5: Solve for x
    x = 1,178,254,868,033,501.50/39,191,490.89
  6. Step 6: Final answer
    x = 30,064,048.12

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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.