Home / 18,355,867.32-25,331,117.94-10,206,930.36

Finding the Fourth Proportional to 18,355,867.32, 25,331,117.94 and 10,206,930.36

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Solution

The fourth proportional to 18,355,867.32, 25,331,117.94 and 10,206,930.36 is: 14,085,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355,867.32 : 25,331,117.94 = 10,206,930.36 : x
  2. Step 2: Convert to fraction form
    18,355,867.32/25,331,117.94 = 10,206,930.36/x
  3. Step 3: Cross multiply
    18,355,867.32x = 25,331,117.94 × 10,206,930.36
  4. Step 4: Simplify right side
    18,355,867.32x = 258,552,956,754,526.66
  5. Step 5: Solve for x
    x = 258,552,956,754,526.66/18,355,867.32
  6. Step 6: Final answer
    x = 14,085,575.60

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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.