Home / 39,220,915.20-54,124,715.52-22,920,161.28

Finding the Fourth Proportional to 39,220,915.20, 54,124,715.52 and 22,920,161.28

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Solution

The fourth proportional to 39,220,915.20, 54,124,715.52 and 22,920,161.28 is: 31,629,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220,915.20 : 54,124,715.52 = 22,920,161.28 : x
  2. Step 2: Convert to fraction form
    39,220,915.20/54,124,715.52 = 22,920,161.28/x
  3. Step 3: Cross multiply
    39,220,915.20x = 54,124,715.52 × 22,920,161.28
  4. Step 4: Simplify right side
    39,220,915.20x = 1,240,547,208,952,519.25
  5. Step 5: Solve for x
    x = 1,240,547,208,952,519.25/39,220,915.20
  6. Step 6: Final answer
    x = 31,629,736.40

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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.