Home / 21,041,288,049.32-29,025,968,787.14-13,010,061,312.68

Finding the Fourth Proportional to 21,041,288,049.32, 29,025,968,787.14 and 13,010,061,312.68

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Solution

The fourth proportional to 21,041,288,049.32, 29,025,968,787.14 and 13,010,061,312.68 is: 17,947,077,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,288,049.32 : 29,025,968,787.14 = 13,010,061,312.68 : x
  2. Step 2: Convert to fraction form
    21,041,288,049.32/29,025,968,787.14 = 13,010,061,312.68/x
  3. Step 3: Cross multiply
    21,041,288,049.32x = 29,025,968,787.14 × 13,010,061,312.68
  4. Step 4: Simplify right side
    21,041,288,049.32x = 377,629,633,580,627,329,024
  5. Step 5: Solve for x
    x = 377,629,633,580,627,329,024/21,041,288,049.32
  6. Step 6: Final answer
    x = 17,947,077,797.49

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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.