Home / 12,857,513.32-17,742,783.67-7,056,179.92

Finding the Fourth Proportional to 12,857,513.32, 17,742,783.67 and 7,056,179.92

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Solution

The fourth proportional to 12,857,513.32, 17,742,783.67 and 7,056,179.92 is: 9,737,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,513.32 : 17,742,783.67 = 7,056,179.92 : x
  2. Step 2: Convert to fraction form
    12,857,513.32/17,742,783.67 = 7,056,179.92/x
  3. Step 3: Cross multiply
    12,857,513.32x = 17,742,783.67 × 7,056,179.92
  4. Step 4: Simplify right side
    12,857,513.32x = 125,196,273,857,157.92
  5. Step 5: Solve for x
    x = 125,196,273,857,157.92/12,857,513.32
  6. Step 6: Final answer
    x = 9,737,207.40

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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.