Home / 18,338,081.14-25,307,158.85-10,078,436.11

Finding the Fourth Proportional to 18,338,081.14, 25,307,158.85 and 10,078,436.11

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Solution

The fourth proportional to 18,338,081.14, 25,307,158.85 and 10,078,436.11 is: 13,908,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,081.14 : 25,307,158.85 = 10,078,436.11 : x
  2. Step 2: Convert to fraction form
    18,338,081.14/25,307,158.85 = 10,078,436.11/x
  3. Step 3: Cross multiply
    18,338,081.14x = 25,307,158.85 × 10,078,436.11
  4. Step 4: Simplify right side
    18,338,081.14x = 255,056,583,544,953.88
  5. Step 5: Solve for x
    x = 255,056,583,544,953.88/18,338,081.14
  6. Step 6: Final answer
    x = 13,908,575.37

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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.