Home / 12,088,916.80-18,133,375.20-10,514,276.80

Finding the Fourth Proportional to 12,088,916.80, 18,133,375.20 and 10,514,276.80

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Solution

The fourth proportional to 12,088,916.80, 18,133,375.20 and 10,514,276.80 is: 15,771,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,916.80 : 18,133,375.20 = 10,514,276.80 : x
  2. Step 2: Convert to fraction form
    12,088,916.80/18,133,375.20 = 10,514,276.80/x
  3. Step 3: Cross multiply
    12,088,916.80x = 18,133,375.20 × 10,514,276.80
  4. Step 4: Simplify right side
    12,088,916.80x = 190,659,326,171,055.38
  5. Step 5: Solve for x
    x = 190,659,326,171,055.38/12,088,916.80
  6. Step 6: Final answer
    x = 15,771,415.20

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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.