Home / 21,783,053.70-32,674,580.55-18,759,744.90

Finding the Fourth Proportional to 21,783,053.70, 32,674,580.55 and 18,759,744.90

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Solution

The fourth proportional to 21,783,053.70, 32,674,580.55 and 18,759,744.90 is: 28,139,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,053.70 : 32,674,580.55 = 18,759,744.90 : x
  2. Step 2: Convert to fraction form
    21,783,053.70/32,674,580.55 = 18,759,744.90/x
  3. Step 3: Cross multiply
    21,783,053.70x = 32,674,580.55 × 18,759,744.90
  4. Step 4: Simplify right side
    21,783,053.70x = 612,966,795,832,501.62
  5. Step 5: Solve for x
    x = 612,966,795,832,501.62/21,783,053.70
  6. Step 6: Final answer
    x = 28,139,617.35

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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.