Home / 38,189,971.67-52,706,648.57-21,447,462.69

Finding the Fourth Proportional to 38,189,971.67, 52,706,648.57 and 21,447,462.69

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Solution

The fourth proportional to 38,189,971.67, 52,706,648.57 and 21,447,462.69 is: 29,600,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189,971.67 : 52,706,648.57 = 21,447,462.69 : x
  2. Step 2: Convert to fraction form
    38,189,971.67/52,706,648.57 = 21,447,462.69/x
  3. Step 3: Cross multiply
    38,189,971.67x = 52,706,648.57 × 21,447,462.69
  4. Step 4: Simplify right side
    38,189,971.67x = 1,130,423,878,612,779.50
  5. Step 5: Solve for x
    x = 1,130,423,878,612,779.50/38,189,971.67
  6. Step 6: Final answer
    x = 29,600,018.78

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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.