Home / 12,504,905.40-17,256,769.44-6,781,769.40

Finding the Fourth Proportional to 12,504,905.40, 17,256,769.44 and 6,781,769.40

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Solution

The fourth proportional to 12,504,905.40, 17,256,769.44 and 6,781,769.40 is: 9,358,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504,905.40 : 17,256,769.44 = 6,781,769.40 : x
  2. Step 2: Convert to fraction form
    12,504,905.40/17,256,769.44 = 6,781,769.40/x
  3. Step 3: Cross multiply
    12,504,905.40x = 17,256,769.44 × 6,781,769.40
  4. Step 4: Simplify right side
    12,504,905.40x = 117,031,430,931,047.16
  5. Step 5: Solve for x
    x = 117,031,430,931,047.16/12,504,905.40
  6. Step 6: Final answer
    x = 9,358,841.77

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1.5x scale

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.