Home / 18,173,053.71-25,078,974.29-9,913,152.69

Finding the Fourth Proportional to 18,173,053.71, 25,078,974.29 and 9,913,152.69

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Solution

The fourth proportional to 18,173,053.71, 25,078,974.29 and 9,913,152.69 is: 13,680,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,053.71 : 25,078,974.29 = 9,913,152.69 : x
  2. Step 2: Convert to fraction form
    18,173,053.71/25,078,974.29 = 9,913,152.69/x
  3. Step 3: Cross multiply
    18,173,053.71x = 25,078,974.29 × 9,913,152.69
  4. Step 4: Simplify right side
    18,173,053.71x = 248,611,701,395,788.56
  5. Step 5: Solve for x
    x = 248,611,701,395,788.56/18,173,053.71
  6. Step 6: Final answer
    x = 13,680,238.08

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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.