Home / 38,632,603.71-53,313,417.45-21,228,953.43

Finding the Fourth Proportional to 38,632,603.71, 53,313,417.45 and 21,228,953.43

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Solution

The fourth proportional to 38,632,603.71, 53,313,417.45 and 21,228,953.43 is: 29,296,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632,603.71 : 53,313,417.45 = 21,228,953.43 : x
  2. Step 2: Convert to fraction form
    38,632,603.71/53,313,417.45 = 21,228,953.43/x
  3. Step 3: Cross multiply
    38,632,603.71x = 53,313,417.45 × 21,228,953.43
  4. Step 4: Simplify right side
    38,632,603.71x = 1,131,788,056,240,199.50
  5. Step 5: Solve for x
    x = 1,131,788,056,240,199.50/38,632,603.71
  6. Step 6: Final answer
    x = 29,296,188.91

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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.