Home / 38,552,866.07-53,202,691.43-20,911,697.63

Finding the Fourth Proportional to 38,552,866.07, 53,202,691.43 and 20,911,697.63

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Solution

The fourth proportional to 38,552,866.07, 53,202,691.43 and 20,911,697.63 is: 28,857,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552,866.07 : 53,202,691.43 = 20,911,697.63 : x
  2. Step 2: Convert to fraction form
    38,552,866.07/53,202,691.43 = 20,911,697.63/x
  3. Step 3: Cross multiply
    38,552,866.07x = 53,202,691.43 × 20,911,697.63
  4. Step 4: Simplify right side
    38,552,866.07x = 1,112,558,596,471,638.25
  5. Step 5: Solve for x
    x = 1,112,558,596,471,638.25/38,552,866.07
  6. Step 6: Final answer
    x = 28,857,999.67

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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.