Home / 20,263,915.60-27,963,363.72-11,096,400.40

Finding the Fourth Proportional to 20,263,915.60, 27,963,363.72 and 11,096,400.40

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Solution

The fourth proportional to 20,263,915.60, 27,963,363.72 and 11,096,400.40 is: 15,312,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263,915.60 : 27,963,363.72 = 11,096,400.40 : x
  2. Step 2: Convert to fraction form
    20,263,915.60/27,963,363.72 = 11,096,400.40/x
  3. Step 3: Cross multiply
    20,263,915.60x = 27,963,363.72 × 11,096,400.40
  4. Step 4: Simplify right side
    20,263,915.60x = 310,292,680,367,953.50
  5. Step 5: Solve for x
    x = 310,292,680,367,953.50/20,263,915.60
  6. Step 6: Final answer
    x = 15,312,572.68

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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.