Home / 12,862,811.60-19,277,628.60-9,856,091.60

Finding the Fourth Proportional to 12,862,811.60, 19,277,628.60 and 9,856,091.60

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Solution

The fourth proportional to 12,862,811.60, 19,277,628.60 and 9,856,091.60 is: 14,771,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862,811.60 : 19,277,628.60 = 9,856,091.60 : x
  2. Step 2: Convert to fraction form
    12,862,811.60/19,277,628.60 = 9,856,091.60/x
  3. Step 3: Cross multiply
    12,862,811.60x = 19,277,628.60 × 9,856,091.60
  4. Step 4: Simplify right side
    12,862,811.60x = 190,002,073,312,379.78
  5. Step 5: Solve for x
    x = 190,002,073,312,379.78/12,862,811.60
  6. Step 6: Final answer
    x = 14,771,426.28

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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.