Home / 18,338,035.06-25,307,095.11-10,078,390.12

Finding the Fourth Proportional to 18,338,035.06, 25,307,095.11 and 10,078,390.12

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Solution

The fourth proportional to 18,338,035.06, 25,307,095.11 and 10,078,390.12 is: 13,908,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,035.06 : 25,307,095.11 = 10,078,390.12 : x
  2. Step 2: Convert to fraction form
    18,338,035.06/25,307,095.11 = 10,078,390.12/x
  3. Step 3: Cross multiply
    18,338,035.06x = 25,307,095.11 × 10,078,390.12
  4. Step 4: Simplify right side
    18,338,035.06x = 255,054,777,322,524.28
  5. Step 5: Solve for x
    x = 255,054,777,322,524.28/18,338,035.06
  6. Step 6: Final answer
    x = 13,908,511.82

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1.5x scale

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.