Home / 18,338,602.08-25,307,840.37-10,078,514.28

Finding the Fourth Proportional to 18,338,602.08, 25,307,840.37 and 10,078,514.28

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Solution

The fourth proportional to 18,338,602.08, 25,307,840.37 and 10,078,514.28 is: 13,908,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,602.08 : 25,307,840.37 = 10,078,514.28 : x
  2. Step 2: Convert to fraction form
    18,338,602.08/25,307,840.37 = 10,078,514.28/x
  3. Step 3: Cross multiply
    18,338,602.08x = 25,307,840.37 × 10,078,514.28
  4. Step 4: Simplify right side
    18,338,602.08x = 255,065,430,565,005.47
  5. Step 5: Solve for x
    x = 255,065,430,565,005.47/18,338,602.08
  6. Step 6: Final answer
    x = 13,908,662.69

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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.