Home / 21,987,237.24-30,342,423.78-12,197,681.64

Finding the Fourth Proportional to 21,987,237.24, 30,342,423.78 and 12,197,681.64

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Solution

The fourth proportional to 21,987,237.24, 30,342,423.78 and 12,197,681.64 is: 16,832,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,237.24 : 30,342,423.78 = 12,197,681.64 : x
  2. Step 2: Convert to fraction form
    21,987,237.24/30,342,423.78 = 12,197,681.64/x
  3. Step 3: Cross multiply
    21,987,237.24x = 30,342,423.78 × 12,197,681.64
  4. Step 4: Simplify right side
    21,987,237.24x = 370,107,225,454,405.44
  5. Step 5: Solve for x
    x = 370,107,225,454,405.44/21,987,237.24
  6. Step 6: Final answer
    x = 16,832,820.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.