Home / 23,142,639.66-31,936,673.09-12,688,483.65

Finding the Fourth Proportional to 23,142,639.66, 31,936,673.09 and 12,688,483.65

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Solution

The fourth proportional to 23,142,639.66, 31,936,673.09 and 12,688,483.65 is: 17,510,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142,639.66 : 31,936,673.09 = 12,688,483.65 : x
  2. Step 2: Convert to fraction form
    23,142,639.66/31,936,673.09 = 12,688,483.65/x
  3. Step 3: Cross multiply
    23,142,639.66x = 31,936,673.09 × 12,688,483.65
  4. Step 4: Simplify right side
    23,142,639.66x = 405,227,954,274,417.56
  5. Step 5: Solve for x
    x = 405,227,954,274,417.56/23,142,639.66
  6. Step 6: Final answer
    x = 17,510,014.42

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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.