Home / 14,039,685.32-21,060,813.18-3,942,238.28

Finding the Fourth Proportional to 14,039,685.32, 21,060,813.18 and 3,942,238.28

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Solution

The fourth proportional to 14,039,685.32, 21,060,813.18 and 3,942,238.28 is: 5,913,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039,685.32 : 21,060,813.18 = 3,942,238.28 : x
  2. Step 2: Convert to fraction form
    14,039,685.32/21,060,813.18 = 3,942,238.28/x
  3. Step 3: Cross multiply
    14,039,685.32x = 21,060,813.18 × 3,942,238.28
  4. Step 4: Simplify right side
    14,039,685.32x = 83,026,743,926,124.53
  5. Step 5: Solve for x
    x = 83,026,743,926,124.53/14,039,685.32
  6. Step 6: Final answer
    x = 5,913,718.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.