Home / 15,767,920.40-23,651,880.60-12,579,274.40

Finding the Fourth Proportional to 15,767,920.40, 23,651,880.60 and 12,579,274.40

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Solution

The fourth proportional to 15,767,920.40, 23,651,880.60 and 12,579,274.40 is: 18,868,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767,920.40 : 23,651,880.60 = 12,579,274.40 : x
  2. Step 2: Convert to fraction form
    15,767,920.40/23,651,880.60 = 12,579,274.40/x
  3. Step 3: Cross multiply
    15,767,920.40x = 23,651,880.60 × 12,579,274.40
  4. Step 4: Simplify right side
    15,767,920.40x = 297,523,496,143,436.69
  5. Step 5: Solve for x
    x = 297,523,496,143,436.69/15,767,920.40
  6. Step 6: Final answer
    x = 18,868,911.60

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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.