Home / 21,792,109.80-32,688,164.70-18,544,852.20

Finding the Fourth Proportional to 21,792,109.80, 32,688,164.70 and 18,544,852.20

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Solution

The fourth proportional to 21,792,109.80, 32,688,164.70 and 18,544,852.20 is: 27,817,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,109.80 : 32,688,164.70 = 18,544,852.20 : x
  2. Step 2: Convert to fraction form
    21,792,109.80/32,688,164.70 = 18,544,852.20/x
  3. Step 3: Cross multiply
    21,792,109.80x = 32,688,164.70 × 18,544,852.20
  4. Step 4: Simplify right side
    21,792,109.80x = 606,197,183,050,757.25
  5. Step 5: Solve for x
    x = 606,197,183,050,757.25/21,792,109.80
  6. Step 6: Final answer
    x = 27,817,278.30

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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.