Home / 16,483,161.30-22,720,547.03-12,992,840.52

Finding the Fourth Proportional to 16,483,161.30, 22,720,547.03 and 12,992,840.52

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Solution

The fourth proportional to 16,483,161.30, 22,720,547.03 and 12,992,840.52 is: 17,909,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,483,161.30 : 22,720,547.03 = 12,992,840.52 : x
  2. Step 2: Convert to fraction form
    16,483,161.30/22,720,547.03 = 12,992,840.52/x
  3. Step 3: Cross multiply
    16,483,161.30x = 22,720,547.03 × 12,992,840.52
  4. Step 4: Simplify right side
    16,483,161.30x = 295,204,444,022,985.44
  5. Step 5: Solve for x
    x = 295,204,444,022,985.44/16,483,161.30
  6. Step 6: Final answer
    x = 17,909,455.51

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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.