Home / 15,240,422.37-21,030,684.69-8,714,326.89

Finding the Fourth Proportional to 15,240,422.37, 21,030,684.69 and 8,714,326.89

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Solution

The fourth proportional to 15,240,422.37, 21,030,684.69 and 8,714,326.89 is: 12,025,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240,422.37 : 21,030,684.69 = 8,714,326.89 : x
  2. Step 2: Convert to fraction form
    15,240,422.37/21,030,684.69 = 8,714,326.89/x
  3. Step 3: Cross multiply
    15,240,422.37x = 21,030,684.69 × 8,714,326.89
  4. Step 4: Simplify right side
    15,240,422.37x = 183,268,261,109,178.34
  5. Step 5: Solve for x
    x = 183,268,261,109,178.34/15,240,422.37
  6. Step 6: Final answer
    x = 12,025,143.18

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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.