Home / 38,701,752.62-53,408,426.63-21,298,098.02

Finding the Fourth Proportional to 38,701,752.62, 53,408,426.63 and 21,298,098.02

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Solution

The fourth proportional to 38,701,752.62, 53,408,426.63 and 21,298,098.02 is: 29,391,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,752.62 : 53,408,426.63 = 21,298,098.02 : x
  2. Step 2: Convert to fraction form
    38,701,752.62/53,408,426.63 = 21,298,098.02/x
  3. Step 3: Cross multiply
    38,701,752.62x = 53,408,426.63 × 21,298,098.02
  4. Step 4: Simplify right side
    38,701,752.62x = 1,137,497,905,086,185.75
  5. Step 5: Solve for x
    x = 1,137,497,905,086,185.75/38,701,752.62
  6. Step 6: Final answer
    x = 29,391,379.67

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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.