Home / 15,451,269.48-21,325,390.80-8,923,725.72

Finding the Fourth Proportional to 15,451,269.48, 21,325,390.80 and 8,923,725.72

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Solution

The fourth proportional to 15,451,269.48, 21,325,390.80 and 8,923,725.72 is: 12,316,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451,269.48 : 21,325,390.80 = 8,923,725.72 : x
  2. Step 2: Convert to fraction form
    15,451,269.48/21,325,390.80 = 8,923,725.72/x
  3. Step 3: Cross multiply
    15,451,269.48x = 21,325,390.80 × 8,923,725.72
  4. Step 4: Simplify right side
    15,451,269.48x = 190,301,938,371,011.41
  5. Step 5: Solve for x
    x = 190,301,938,371,011.41/15,451,269.48
  6. Step 6: Final answer
    x = 12,316,265.57

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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.