Home / 21,352,215.20-32,028,322.80-9,837,660.20

Finding the Fourth Proportional to 21,352,215.20, 32,028,322.80 and 9,837,660.20

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Solution

The fourth proportional to 21,352,215.20, 32,028,322.80 and 9,837,660.20 is: 14,756,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352,215.20 : 32,028,322.80 = 9,837,660.20 : x
  2. Step 2: Convert to fraction form
    21,352,215.20/32,028,322.80 = 9,837,660.20/x
  3. Step 3: Cross multiply
    21,352,215.20x = 32,028,322.80 × 9,837,660.20
  4. Step 4: Simplify right side
    21,352,215.20x = 315,083,756,482,312.56
  5. Step 5: Solve for x
    x = 315,083,756,482,312.56/21,352,215.20
  6. Step 6: Final answer
    x = 14,756,490.30

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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.