Home / 21,815,349.11-30,105,389.39-12,026,144.40

Finding the Fourth Proportional to 21,815,349.11, 30,105,389.39 and 12,026,144.40

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Solution

The fourth proportional to 21,815,349.11, 30,105,389.39 and 12,026,144.40 is: 16,596,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815,349.11 : 30,105,389.39 = 12,026,144.40 : x
  2. Step 2: Convert to fraction form
    21,815,349.11/30,105,389.39 = 12,026,144.40/x
  3. Step 3: Cross multiply
    21,815,349.11x = 30,105,389.39 × 12,026,144.40
  4. Step 4: Simplify right side
    21,815,349.11x = 362,051,759,916,989.06
  5. Step 5: Solve for x
    x = 362,051,759,916,989.06/21,815,349.11
  6. Step 6: Final answer
    x = 16,596,193.72

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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.