Home / 38,141,020.94-52,636,408.36-21,621,465.68

Finding the Fourth Proportional to 38,141,020.94, 52,636,408.36 and 21,621,465.68

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Solution

The fourth proportional to 38,141,020.94, 52,636,408.36 and 21,621,465.68 is: 29,838,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,141,020.94 : 52,636,408.36 = 21,621,465.68 : x
  2. Step 2: Convert to fraction form
    38,141,020.94/52,636,408.36 = 21,621,465.68/x
  3. Step 3: Cross multiply
    38,141,020.94x = 52,636,408.36 × 21,621,465.68
  4. Step 4: Simplify right side
    38,141,020.94x = 1,138,076,296,874,205
  5. Step 5: Solve for x
    x = 1,138,076,296,874,205/38,141,020.94
  6. Step 6: Final answer
    x = 29,838,642.72

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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.