Home / 39,875,814.51-55,027,263.51-21,994,743.48

Finding the Fourth Proportional to 39,875,814.51, 55,027,263.51 and 21,994,743.48

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Solution

The fourth proportional to 39,875,814.51, 55,027,263.51 and 21,994,743.48 is: 30,351,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875,814.51 : 55,027,263.51 = 21,994,743.48 : x
  2. Step 2: Convert to fraction form
    39,875,814.51/55,027,263.51 = 21,994,743.48/x
  3. Step 3: Cross multiply
    39,875,814.51x = 55,027,263.51 × 21,994,743.48
  4. Step 4: Simplify right side
    39,875,814.51x = 1,210,310,545,308,814.50
  5. Step 5: Solve for x
    x = 1,210,310,545,308,814.50/39,875,814.51
  6. Step 6: Final answer
    x = 30,351,995.57

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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.