Home / 14,156,772.15-21,131,808.39-12,147,925.17

Finding the Fourth Proportional to 14,156,772.15, 21,131,808.39 and 12,147,925.17

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Solution

The fourth proportional to 14,156,772.15, 21,131,808.39 and 12,147,925.17 is: 18,133,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,772.15 : 21,131,808.39 = 12,147,925.17 : x
  2. Step 2: Convert to fraction form
    14,156,772.15/21,131,808.39 = 12,147,925.17/x
  3. Step 3: Cross multiply
    14,156,772.15x = 21,131,808.39 × 12,147,925.17
  4. Step 4: Simplify right side
    14,156,772.15x = 256,707,627,028,498.19
  5. Step 5: Solve for x
    x = 256,707,627,028,498.19/14,156,772.15
  6. Step 6: Final answer
    x = 18,133,203.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.