Home / 28,865,370.07-39,833,893.35-15,634,217.83

Finding the Fourth Proportional to 28,865,370.07, 39,833,893.35 and 15,634,217.83

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Solution

The fourth proportional to 28,865,370.07, 39,833,893.35 and 15,634,217.83 is: 21,575,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,370.07 : 39,833,893.35 = 15,634,217.83 : x
  2. Step 2: Convert to fraction form
    28,865,370.07/39,833,893.35 = 15,634,217.83/x
  3. Step 3: Cross multiply
    28,865,370.07x = 39,833,893.35 × 15,634,217.83
  4. Step 4: Simplify right side
    28,865,370.07x = 622,771,765,572,717.38
  5. Step 5: Solve for x
    x = 622,771,765,572,717.38/28,865,370.07
  6. Step 6: Final answer
    x = 21,575,048.72

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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.