Home / 38,453,658.29-53,066,044.50-21,050,015.30

Finding the Fourth Proportional to 38,453,658.29, 53,066,044.50 and 21,050,015.30

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Solution

The fourth proportional to 38,453,658.29, 53,066,044.50 and 21,050,015.30 is: 29,049,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453,658.29 : 53,066,044.50 = 21,050,015.30 : x
  2. Step 2: Convert to fraction form
    38,453,658.29/53,066,044.50 = 21,050,015.30/x
  3. Step 3: Cross multiply
    38,453,658.29x = 53,066,044.50 × 21,050,015.30
  4. Step 4: Simplify right side
    38,453,658.29x = 1,117,041,048,608,617
  5. Step 5: Solve for x
    x = 1,117,041,048,608,617/38,453,658.29
  6. Step 6: Final answer
    x = 29,049,018.96

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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.