Home / 21,373,980.80-32,064,859.20-6,993,046.40

Finding the Fourth Proportional to 21,373,980.80, 32,064,859.20 and 6,993,046.40

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Solution

The fourth proportional to 21,373,980.80, 32,064,859.20 and 6,993,046.40 is: 10,490,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373,980.80 : 32,064,859.20 = 6,993,046.40 : x
  2. Step 2: Convert to fraction form
    21,373,980.80/32,064,859.20 = 6,993,046.40/x
  3. Step 3: Cross multiply
    21,373,980.80x = 32,064,859.20 × 6,993,046.40
  4. Step 4: Simplify right side
    21,373,980.80x = 224,231,048,195,066.88
  5. Step 5: Solve for x
    x = 224,231,048,195,066.88/21,373,980.80
  6. Step 6: Final answer
    x = 10,490,841.66

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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.