Home / 21,038,366.42-29,030,732.96-12,216,093.17

Finding the Fourth Proportional to 21,038,366.42, 29,030,732.96 and 12,216,093.17

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Solution

The fourth proportional to 21,038,366.42, 29,030,732.96 and 12,216,093.17 is: 16,856,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,366.42 : 29,030,732.96 = 12,216,093.17 : x
  2. Step 2: Convert to fraction form
    21,038,366.42/29,030,732.96 = 12,216,093.17/x
  3. Step 3: Cross multiply
    21,038,366.42x = 29,030,732.96 × 12,216,093.17
  4. Step 4: Simplify right side
    21,038,366.42x = 354,642,138,495,231.25
  5. Step 5: Solve for x
    x = 354,642,138,495,231.25/21,038,366.42
  6. Step 6: Final answer
    x = 16,856,923.75

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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.