Home / 18,689,546.78-25,791,525.51-10,429,521.02

Finding the Fourth Proportional to 18,689,546.78, 25,791,525.51 and 10,429,521.02

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Solution

The fourth proportional to 18,689,546.78, 25,791,525.51 and 10,429,521.02 is: 14,392,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,546.78 : 25,791,525.51 = 10,429,521.02 : x
  2. Step 2: Convert to fraction form
    18,689,546.78/25,791,525.51 = 10,429,521.02/x
  3. Step 3: Cross multiply
    18,689,546.78x = 25,791,525.51 × 10,429,521.02
  4. Step 4: Simplify right side
    18,689,546.78x = 268,993,257,444,411.22
  5. Step 5: Solve for x
    x = 268,993,257,444,411.22/18,689,546.78
  6. Step 6: Final answer
    x = 14,392,711.64

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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.