Home / 18,338,786.07-25,308,094.32-10,078,698.19

Finding the Fourth Proportional to 18,338,786.07, 25,308,094.32 and 10,078,698.19

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Solution

The fourth proportional to 18,338,786.07, 25,308,094.32 and 10,078,698.19 is: 13,908,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,786.07 : 25,308,094.32 = 10,078,698.19 : x
  2. Step 2: Convert to fraction form
    18,338,786.07/25,308,094.32 = 10,078,698.19/x
  3. Step 3: Cross multiply
    18,338,786.07x = 25,308,094.32 × 10,078,698.19
  4. Step 4: Simplify right side
    18,338,786.07x = 255,072,644,415,333.28
  5. Step 5: Solve for x
    x = 255,072,644,415,333.28/18,338,786.07
  6. Step 6: Final answer
    x = 13,908,916.51

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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.