Home / 13,349,012.54-18,422,025.92-7,547,669.72

Finding the Fourth Proportional to 13,349,012.54, 18,422,025.92 and 7,547,669.72

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Solution

The fourth proportional to 13,349,012.54, 18,422,025.92 and 7,547,669.72 is: 10,416,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,012.54 : 18,422,025.92 = 7,547,669.72 : x
  2. Step 2: Convert to fraction form
    13,349,012.54/18,422,025.92 = 7,547,669.72/x
  3. Step 3: Cross multiply
    13,349,012.54x = 18,422,025.92 × 7,547,669.72
  4. Step 4: Simplify right side
    13,349,012.54x = 139,043,367,087,590.66
  5. Step 5: Solve for x
    x = 139,043,367,087,590.66/13,349,012.54
  6. Step 6: Final answer
    x = 10,416,003.93

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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.