Home / 12,875,238.40-19,312,857.60-12,707,276.80

Finding the Fourth Proportional to 12,875,238.40, 19,312,857.60 and 12,707,276.80

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Solution

The fourth proportional to 12,875,238.40, 19,312,857.60 and 12,707,276.80 is: 19,060,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,238.40 : 19,312,857.60 = 12,707,276.80 : x
  2. Step 2: Convert to fraction form
    12,875,238.40/19,312,857.60 = 12,707,276.80/x
  3. Step 3: Cross multiply
    12,875,238.40x = 19,312,857.60 × 12,707,276.80
  4. Step 4: Simplify right side
    12,875,238.40x = 245,413,827,322,183.72
  5. Step 5: Solve for x
    x = 245,413,827,322,183.72/12,875,238.40
  6. Step 6: Final answer
    x = 19,060,915.20

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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.