Home / 21,783,019.20-32,671,029.60-6,633,427.20

Finding the Fourth Proportional to 21,783,019.20, 32,671,029.60 and 6,633,427.20

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Solution

The fourth proportional to 21,783,019.20, 32,671,029.60 and 6,633,427.20 is: 9,949,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,019.20 : 32,671,029.60 = 6,633,427.20 : x
  2. Step 2: Convert to fraction form
    21,783,019.20/32,671,029.60 = 6,633,427.20/x
  3. Step 3: Cross multiply
    21,783,019.20x = 32,671,029.60 × 6,633,427.20
  4. Step 4: Simplify right side
    21,783,019.20x = 216,720,896,400,645.12
  5. Step 5: Solve for x
    x = 216,720,896,400,645.12/21,783,019.20
  6. Step 6: Final answer
    x = 9,949,075.21

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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.