Home / 38,013,377.45-52,459,567.53-21,493,147.32

Finding the Fourth Proportional to 38,013,377.45, 52,459,567.53 and 21,493,147.32

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Solution

The fourth proportional to 38,013,377.45, 52,459,567.53 and 21,493,147.32 is: 29,661,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,377.45 : 52,459,567.53 = 21,493,147.32 : x
  2. Step 2: Convert to fraction form
    38,013,377.45/52,459,567.53 = 21,493,147.32/x
  3. Step 3: Cross multiply
    38,013,377.45x = 52,459,567.53 × 21,493,147.32
  4. Step 4: Simplify right side
    38,013,377.45x = 1,127,521,213,265,778.50
  5. Step 5: Solve for x
    x = 1,127,521,213,265,778.50/38,013,377.45
  6. Step 6: Final answer
    x = 29,661,169.02

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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.