Home / 38,997,729.32-53,816,208.76-21,593,700.87

Finding the Fourth Proportional to 38,997,729.32, 53,816,208.76 and 21,593,700.87

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Solution

The fourth proportional to 38,997,729.32, 53,816,208.76 and 21,593,700.87 is: 29,798,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997,729.32 : 53,816,208.76 = 21,593,700.87 : x
  2. Step 2: Convert to fraction form
    38,997,729.32/53,816,208.76 = 21,593,700.87/x
  3. Step 3: Cross multiply
    38,997,729.32x = 53,816,208.76 × 21,593,700.87
  4. Step 4: Simplify right side
    38,997,729.32x = 1,162,091,114,260,896
  5. Step 5: Solve for x
    x = 1,162,091,114,260,896/38,997,729.32
  6. Step 6: Final answer
    x = 29,798,943.03

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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.