Home / 38,189,973.35-52,706,650.89-21,447,464.38

Finding the Fourth Proportional to 38,189,973.35, 52,706,650.89 and 21,447,464.38

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Solution

The fourth proportional to 38,189,973.35, 52,706,650.89 and 21,447,464.38 is: 29,600,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189,973.35 : 52,706,650.89 = 21,447,464.38 : x
  2. Step 2: Convert to fraction form
    38,189,973.35/52,706,650.89 = 21,447,464.38/x
  3. Step 3: Cross multiply
    38,189,973.35x = 52,706,650.89 × 21,447,464.38
  4. Step 4: Simplify right side
    38,189,973.35x = 1,130,424,017,501,031.75
  5. Step 5: Solve for x
    x = 1,130,424,017,501,031.75/38,189,973.35
  6. Step 6: Final answer
    x = 29,600,021.11

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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.