Home / 21,373,981.80-32,064,860.70-6,993,047.40

Finding the Fourth Proportional to 21,373,981.80, 32,064,860.70 and 6,993,047.40

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Solution

The fourth proportional to 21,373,981.80, 32,064,860.70 and 6,993,047.40 is: 10,490,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373,981.80 : 32,064,860.70 = 6,993,047.40 : x
  2. Step 2: Convert to fraction form
    21,373,981.80/32,064,860.70 = 6,993,047.40/x
  3. Step 3: Cross multiply
    21,373,981.80x = 32,064,860.70 × 6,993,047.40
  4. Step 4: Simplify right side
    21,373,981.80x = 224,231,090,749,497.19
  5. Step 5: Solve for x
    x = 224,231,090,749,497.19/21,373,981.80
  6. Step 6: Final answer
    x = 10,490,843.16

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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.