Home / 21,813,942.72-30,119,265.12-14,083,500.48

Finding the Fourth Proportional to 21,813,942.72, 30,119,265.12 and 14,083,500.48

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Solution

The fourth proportional to 21,813,942.72, 30,119,265.12 and 14,083,500.48 is: 19,445,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813,942.72 : 30,119,265.12 = 14,083,500.48 : x
  2. Step 2: Convert to fraction form
    21,813,942.72/30,119,265.12 = 14,083,500.48/x
  3. Step 3: Cross multiply
    21,813,942.72x = 30,119,265.12 × 14,083,500.48
  4. Step 4: Simplify right side
    21,813,942.72x = 424,184,684,774,767.31
  5. Step 5: Solve for x
    x = 424,184,684,774,767.31/21,813,942.72
  6. Step 6: Final answer
    x = 19,445,576.17

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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.