Home / 13,903,841.28-20,857,102.56-4,316,645.52

Finding the Fourth Proportional to 13,903,841.28, 20,857,102.56 and 4,316,645.52

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Solution

The fourth proportional to 13,903,841.28, 20,857,102.56 and 4,316,645.52 is: 6,475,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,841.28 : 20,857,102.56 = 4,316,645.52 : x
  2. Step 2: Convert to fraction form
    13,903,841.28/20,857,102.56 = 4,316,645.52/x
  3. Step 3: Cross multiply
    13,903,841.28x = 20,857,102.56 × 4,316,645.52
  4. Step 4: Simplify right side
    13,903,841.28x = 90,032,718,325,804.52
  5. Step 5: Solve for x
    x = 90,032,718,325,804.52/13,903,841.28
  6. Step 6: Final answer
    x = 6,475,384.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.