Home / 15,674,451.83-21,633,925.79-9,059,321.28

Finding the Fourth Proportional to 15,674,451.83, 21,633,925.79 and 9,059,321.28

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Solution

The fourth proportional to 15,674,451.83, 21,633,925.79 and 9,059,321.28 is: 12,503,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674,451.83 : 21,633,925.79 = 9,059,321.28 : x
  2. Step 2: Convert to fraction form
    15,674,451.83/21,633,925.79 = 9,059,321.28/x
  3. Step 3: Cross multiply
    15,674,451.83x = 21,633,925.79 × 9,059,321.28
  4. Step 4: Simplify right side
    15,674,451.83x = 195,988,684,301,936.09
  5. Step 5: Solve for x
    x = 195,988,684,301,936.09/15,674,451.83
  6. Step 6: Final answer
    x = 12,503,702.62

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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.