Home / 15,293,056.85-21,104,506.22-8,323,717.79

Finding the Fourth Proportional to 15,293,056.85, 21,104,506.22 and 8,323,717.79

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Solution

The fourth proportional to 15,293,056.85, 21,104,506.22 and 8,323,717.79 is: 11,486,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293,056.85 : 21,104,506.22 = 8,323,717.79 : x
  2. Step 2: Convert to fraction form
    15,293,056.85/21,104,506.22 = 8,323,717.79/x
  3. Step 3: Cross multiply
    15,293,056.85x = 21,104,506.22 × 8,323,717.79
  4. Step 4: Simplify right side
    15,293,056.85x = 175,667,953,793,854.28
  5. Step 5: Solve for x
    x = 175,667,953,793,854.28/15,293,056.85
  6. Step 6: Final answer
    x = 11,486,778.32

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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.