Home / 38,029,852.20-52,482,384.06-21,509,653.50

Finding the Fourth Proportional to 38,029,852.20, 52,482,384.06 and 21,509,653.50

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Solution

The fourth proportional to 38,029,852.20, 52,482,384.06 and 21,509,653.50 is: 29,683,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,029,852.20 : 52,482,384.06 = 21,509,653.50 : x
  2. Step 2: Convert to fraction form
    38,029,852.20/52,482,384.06 = 21,509,653.50/x
  3. Step 3: Cross multiply
    38,029,852.20x = 52,482,384.06 × 21,509,653.50
  4. Step 4: Simplify right side
    38,029,852.20x = 1,128,877,895,984,523.25
  5. Step 5: Solve for x
    x = 1,128,877,895,984,523.25/38,029,852.20
  6. Step 6: Final answer
    x = 29,683,993.78

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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.